Home / 284,473.12-392,558.40-157,124.08

Finding the Fourth Proportional to 284,473.12, 392,558.40 and 157,124.08

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Solution

The fourth proportional to 284,473.12, 392,558.40 and 157,124.08 is: 216,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,473.12 : 392,558.40 = 157,124.08 : x
  2. Step 2: Convert to fraction form
    284,473.12/392,558.40 = 157,124.08/x
  3. Step 3: Cross multiply
    284,473.12x = 392,558.40 × 157,124.08
  4. Step 4: Simplify right side
    284,473.12x = 61,680,377,446.27
  5. Step 5: Solve for x
    x = 61,680,377,446.27/284,473.12
  6. Step 6: Final answer
    x = 216,823.22

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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.