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Finding the Fourth Proportional to 653,487.48, 980,291.77 and 254,158.29

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Solution

The fourth proportional to 653,487.48, 980,291.77 and 254,158.29 is: 381,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,487.48 : 980,291.77 = 254,158.29 : x
  2. Step 2: Convert to fraction form
    653,487.48/980,291.77 = 254,158.29/x
  3. Step 3: Cross multiply
    653,487.48x = 980,291.77 × 254,158.29
  4. Step 4: Simplify right side
    653,487.48x = 249,149,279,328.88
  5. Step 5: Solve for x
    x = 249,149,279,328.88/653,487.48
  6. Step 6: Final answer
    x = 381,260.98

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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.