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Finding the Fourth Proportional to 251,420.92, 377,130.40 and 101,659.41

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Solution

The fourth proportional to 251,420.92, 377,130.40 and 101,659.41 is: 152,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,420.92 : 377,130.40 = 101,659.41 : x
  2. Step 2: Convert to fraction form
    251,420.92/377,130.40 = 101,659.41/x
  3. Step 3: Cross multiply
    251,420.92x = 377,130.40 × 101,659.41
  4. Step 4: Simplify right side
    251,420.92x = 38,338,853,702.92
  5. Step 5: Solve for x
    x = 38,338,853,702.92/251,420.92
  6. Step 6: Final answer
    x = 152,488.72

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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.