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Finding the Fourth Proportional to 380,250.90, 570,160.38 and 155,348.02

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Solution

The fourth proportional to 380,250.90, 570,160.38 and 155,348.02 is: 232,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,250.90 : 570,160.38 = 155,348.02 : x
  2. Step 2: Convert to fraction form
    380,250.90/570,160.38 = 155,348.02/x
  3. Step 3: Cross multiply
    380,250.90x = 570,160.38 × 155,348.02
  4. Step 4: Simplify right side
    380,250.90x = 88,573,286,115.45
  5. Step 5: Solve for x
    x = 88,573,286,115.45/380,250.90
  6. Step 6: Final answer
    x = 232,933.80

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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.