Home / 284,237.67-392,261.61-156,921.46

Finding the Fourth Proportional to 284,237.67, 392,261.61 and 156,921.46

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Solution

The fourth proportional to 284,237.67, 392,261.61 and 156,921.46 is: 216,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,237.67 : 392,261.61 = 156,921.46 : x
  2. Step 2: Convert to fraction form
    284,237.67/392,261.61 = 156,921.46/x
  3. Step 3: Cross multiply
    284,237.67x = 392,261.61 × 156,921.46
  4. Step 4: Simplify right side
    284,237.67x = 61,554,264,543.15
  5. Step 5: Solve for x
    x = 61,554,264,543.15/284,237.67
  6. Step 6: Final answer
    x = 216,559.14

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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.