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Finding the Fourth Proportional to 149,398.40, 224,097.60 and 133,068.80

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Solution

The fourth proportional to 149,398.40, 224,097.60 and 133,068.80 is: 199,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,398.40 : 224,097.60 = 133,068.80 : x
  2. Step 2: Convert to fraction form
    149,398.40/224,097.60 = 133,068.80/x
  3. Step 3: Cross multiply
    149,398.40x = 224,097.60 × 133,068.80
  4. Step 4: Simplify right side
    149,398.40x = 29,820,398,714.88
  5. Step 5: Solve for x
    x = 29,820,398,714.88/149,398.40
  6. Step 6: Final answer
    x = 199,603.20

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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.