Home / 257,702.43-386,461.04-89,177.00

Finding the Fourth Proportional to 257,702.43, 386,461.04 and 89,177.00

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Solution

The fourth proportional to 257,702.43, 386,461.04 and 89,177.00 is: 133,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,702.43 : 386,461.04 = 89,177.00 : x
  2. Step 2: Convert to fraction form
    257,702.43/386,461.04 = 89,177.00/x
  3. Step 3: Cross multiply
    257,702.43x = 386,461.04 × 89,177.00
  4. Step 4: Simplify right side
    257,702.43x = 34,463,433,785.89
  5. Step 5: Solve for x
    x = 34,463,433,785.89/257,702.43
  6. Step 6: Final answer
    x = 133,733.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.