Home / 320,250.17-480,357.93-162,474.55

Finding the Fourth Proportional to 320,250.17, 480,357.93 and 162,474.55

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Solution

The fourth proportional to 320,250.17, 480,357.93 and 162,474.55 is: 243,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,250.17 : 480,357.93 = 162,474.55 : x
  2. Step 2: Convert to fraction form
    320,250.17/480,357.93 = 162,474.55/x
  3. Step 3: Cross multiply
    320,250.17x = 480,357.93 × 162,474.55
  4. Step 4: Simplify right side
    320,250.17x = 78,045,938,515.68
  5. Step 5: Solve for x
    x = 78,045,938,515.68/320,250.17
  6. Step 6: Final answer
    x = 243,703.04

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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.