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Finding the Fourth Proportional to 464,488.29, 696,733.52 and 127,533.55

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Solution

The fourth proportional to 464,488.29, 696,733.52 and 127,533.55 is: 191,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,488.29 : 696,733.52 = 127,533.55 : x
  2. Step 2: Convert to fraction form
    464,488.29/696,733.52 = 127,533.55/x
  3. Step 3: Cross multiply
    464,488.29x = 696,733.52 × 127,533.55
  4. Step 4: Simplify right side
    464,488.29x = 88,856,899,209.60
  5. Step 5: Solve for x
    x = 88,856,899,209.60/464,488.29
  6. Step 6: Final answer
    x = 191,300.62

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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.