Home / 296,921.72-445,346.93-83,705.69

Finding the Fourth Proportional to 296,921.72, 445,346.93 and 83,705.69

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Solution

The fourth proportional to 296,921.72, 445,346.93 and 83,705.69 is: 125,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,921.72 : 445,346.93 = 83,705.69 : x
  2. Step 2: Convert to fraction form
    296,921.72/445,346.93 = 83,705.69/x
  3. Step 3: Cross multiply
    296,921.72x = 445,346.93 × 83,705.69
  4. Step 4: Simplify right side
    296,921.72x = 37,278,069,419.77
  5. Step 5: Solve for x
    x = 37,278,069,419.77/296,921.72
  6. Step 6: Final answer
    x = 125,548.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.