Home / 252,330.04-378,495.10-102,651.72

Finding the Fourth Proportional to 252,330.04, 378,495.10 and 102,651.72

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Solution

The fourth proportional to 252,330.04, 378,495.10 and 102,651.72 is: 153,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,330.04 : 378,495.10 = 102,651.72 : x
  2. Step 2: Convert to fraction form
    252,330.04/378,495.10 = 102,651.72/x
  3. Step 3: Cross multiply
    252,330.04x = 378,495.10 × 102,651.72
  4. Step 4: Simplify right side
    252,330.04x = 38,853,173,026.57
  5. Step 5: Solve for x
    x = 38,853,173,026.57/252,330.04
  6. Step 6: Final answer
    x = 153,977.60

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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.