Home / 262,893,490.85-360,893,242.60-225,659,129.04

Finding the Fourth Proportional to 262,893,490.85, 360,893,242.60 and 225,659,129.04

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Solution

The fourth proportional to 262,893,490.85, 360,893,242.60 and 225,659,129.04 is: 309,778,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,893,490.85 : 360,893,242.60 = 225,659,129.04 : x
  2. Step 2: Convert to fraction form
    262,893,490.85/360,893,242.60 = 225,659,129.04/x
  3. Step 3: Cross multiply
    262,893,490.85x = 360,893,242.60 × 225,659,129.04
  4. Step 4: Simplify right side
    262,893,490.85x = 81,438,854,800,973,280
  5. Step 5: Solve for x
    x = 81,438,854,800,973,280/262,893,490.85
  6. Step 6: Final answer
    x = 309,778,893.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.