Home / 285,335.04-393,757.12-158,010.24

Finding the Fourth Proportional to 285,335.04, 393,757.12 and 158,010.24

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Solution

The fourth proportional to 285,335.04, 393,757.12 and 158,010.24 is: 218,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,335.04 : 393,757.12 = 158,010.24 : x
  2. Step 2: Convert to fraction form
    285,335.04/393,757.12 = 158,010.24/x
  3. Step 3: Cross multiply
    285,335.04x = 393,757.12 × 158,010.24
  4. Step 4: Simplify right side
    285,335.04x = 62,217,657,032.91
  5. Step 5: Solve for x
    x = 62,217,657,032.91/285,335.04
  6. Step 6: Final answer
    x = 218,051.23

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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.