Home / 252,302.18-378,453.28-102,541.89

Finding the Fourth Proportional to 252,302.18, 378,453.28 and 102,541.89

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Solution

The fourth proportional to 252,302.18, 378,453.28 and 102,541.89 is: 153,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,302.18 : 378,453.28 = 102,541.89 : x
  2. Step 2: Convert to fraction form
    252,302.18/378,453.28 = 102,541.89/x
  3. Step 3: Cross multiply
    252,302.18x = 378,453.28 × 102,541.89
  4. Step 4: Simplify right side
    252,302.18x = 38,807,314,351.54
  5. Step 5: Solve for x
    x = 38,807,314,351.54/252,302.18
  6. Step 6: Final answer
    x = 153,812.84

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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.