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Finding the Fourth Proportional to 149,432.70, 224,271.45 and 148,266.30

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Solution

The fourth proportional to 149,432.70, 224,271.45 and 148,266.30 is: 222,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,432.70 : 224,271.45 = 148,266.30 : x
  2. Step 2: Convert to fraction form
    149,432.70/224,271.45 = 148,266.30/x
  3. Step 3: Cross multiply
    149,432.70x = 224,271.45 × 148,266.30
  4. Step 4: Simplify right side
    149,432.70x = 33,251,898,087.14
  5. Step 5: Solve for x
    x = 33,251,898,087.14/149,432.70
  6. Step 6: Final answer
    x = 222,520.89

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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.