Home / 442,160.34-609,747.76-280,735.14

Finding the Fourth Proportional to 442,160.34, 609,747.76 and 280,735.14

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Solution

The fourth proportional to 442,160.34, 609,747.76 and 280,735.14 is: 387,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,160.34 : 609,747.76 = 280,735.14 : x
  2. Step 2: Convert to fraction form
    442,160.34/609,747.76 = 280,735.14/x
  3. Step 3: Cross multiply
    442,160.34x = 609,747.76 × 280,735.14
  4. Step 4: Simplify right side
    442,160.34x = 171,177,622,768.29
  5. Step 5: Solve for x
    x = 171,177,622,768.29/442,160.34
  6. Step 6: Final answer
    x = 387,139.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.