Home / 284,613.09-392,742.45-157,288.38

Finding the Fourth Proportional to 284,613.09, 392,742.45 and 157,288.38

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Solution

The fourth proportional to 284,613.09, 392,742.45 and 157,288.38 is: 217,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,613.09 : 392,742.45 = 157,288.38 : x
  2. Step 2: Convert to fraction form
    284,613.09/392,742.45 = 157,288.38/x
  3. Step 3: Cross multiply
    284,613.09x = 392,742.45 × 157,288.38
  4. Step 4: Simplify right side
    284,613.09x = 61,773,823,717.73
  5. Step 5: Solve for x
    x = 61,773,823,717.73/284,613.09
  6. Step 6: Final answer
    x = 217,044.91

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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.