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Finding the Fourth Proportional to 252,013.60, 377,889.13 and 118,858.11

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Solution

The fourth proportional to 252,013.60, 377,889.13 and 118,858.11 is: 178,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,013.60 : 377,889.13 = 118,858.11 : x
  2. Step 2: Convert to fraction form
    252,013.60/377,889.13 = 118,858.11/x
  3. Step 3: Cross multiply
    252,013.60x = 377,889.13 × 118,858.11
  4. Step 4: Simplify right side
    252,013.60x = 44,915,187,781.34
  5. Step 5: Solve for x
    x = 44,915,187,781.34/252,013.60
  6. Step 6: Final answer
    x = 178,225.25

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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.