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Finding the Fourth Proportional to 499,805.60, 749,708.40 and 167,381.60

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Solution

The fourth proportional to 499,805.60, 749,708.40 and 167,381.60 is: 251,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,805.60 : 749,708.40 = 167,381.60 : x
  2. Step 2: Convert to fraction form
    499,805.60/749,708.40 = 167,381.60/x
  3. Step 3: Cross multiply
    499,805.60x = 749,708.40 × 167,381.60
  4. Step 4: Simplify right side
    499,805.60x = 125,487,391,525.44
  5. Step 5: Solve for x
    x = 125,487,391,525.44/499,805.60
  6. Step 6: Final answer
    x = 251,072.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.