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Finding the Fourth Proportional to 337,801.77, 506,702.78 and 85,084.35

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Solution

The fourth proportional to 337,801.77, 506,702.78 and 85,084.35 is: 127,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,801.77 : 506,702.78 = 85,084.35 : x
  2. Step 2: Convert to fraction form
    337,801.77/506,702.78 = 85,084.35/x
  3. Step 3: Cross multiply
    337,801.77x = 506,702.78 × 85,084.35
  4. Step 4: Simplify right side
    337,801.77x = 43,112,476,254.07
  5. Step 5: Solve for x
    x = 43,112,476,254.07/337,801.77
  6. Step 6: Final answer
    x = 127,626.56

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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.