Home / 284,727.75-392,890.19-157,386.03

Finding the Fourth Proportional to 284,727.75, 392,890.19 and 157,386.03

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Solution

The fourth proportional to 284,727.75, 392,890.19 and 157,386.03 is: 217,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,727.75 : 392,890.19 = 157,386.03 : x
  2. Step 2: Convert to fraction form
    284,727.75/392,890.19 = 157,386.03/x
  3. Step 3: Cross multiply
    284,727.75x = 392,890.19 × 157,386.03
  4. Step 4: Simplify right side
    284,727.75x = 61,835,426,443.12
  5. Step 5: Solve for x
    x = 61,835,426,443.12/284,727.75
  6. Step 6: Final answer
    x = 217,173.87

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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.