Home / 285,150.06-393,502.32-157,822.92

Finding the Fourth Proportional to 285,150.06, 393,502.32 and 157,822.92

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Solution

The fourth proportional to 285,150.06, 393,502.32 and 157,822.92 is: 217,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,150.06 : 393,502.32 = 157,822.92 : x
  2. Step 2: Convert to fraction form
    285,150.06/393,502.32 = 157,822.92/x
  3. Step 3: Cross multiply
    285,150.06x = 393,502.32 × 157,822.92
  4. Step 4: Simplify right side
    285,150.06x = 62,103,685,169.17
  5. Step 5: Solve for x
    x = 62,103,685,169.17/285,150.06
  6. Step 6: Final answer
    x = 217,792.99

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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.