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Finding the Fourth Proportional to 292,325.80, 438,459.98 and 198,160.88

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Solution

The fourth proportional to 292,325.80, 438,459.98 and 198,160.88 is: 297,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,325.80 : 438,459.98 = 198,160.88 : x
  2. Step 2: Convert to fraction form
    292,325.80/438,459.98 = 198,160.88/x
  3. Step 3: Cross multiply
    292,325.80x = 438,459.98 × 198,160.88
  4. Step 4: Simplify right side
    292,325.80x = 86,885,615,481.58
  5. Step 5: Solve for x
    x = 86,885,615,481.58/292,325.80
  6. Step 6: Final answer
    x = 297,221.85

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1.5x scale

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.