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Finding the Fourth Proportional to 149,294.70, 224,064.45 and 148,128.30

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Solution

The fourth proportional to 149,294.70, 224,064.45 and 148,128.30 is: 222,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,294.70 : 224,064.45 = 148,128.30 : x
  2. Step 2: Convert to fraction form
    149,294.70/224,064.45 = 148,128.30/x
  3. Step 3: Cross multiply
    149,294.70x = 224,064.45 × 148,128.30
  4. Step 4: Simplify right side
    149,294.70x = 33,190,286,068.94
  5. Step 5: Solve for x
    x = 33,190,286,068.94/149,294.70
  6. Step 6: Final answer
    x = 222,313.89

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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.