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Finding the Fourth Proportional to 252,000.10, 378,000.15 and 112,032.10

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Solution

The fourth proportional to 252,000.10, 378,000.15 and 112,032.10 is: 168,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000.10 : 378,000.15 = 112,032.10 : x
  2. Step 2: Convert to fraction form
    252,000.10/378,000.15 = 112,032.10/x
  3. Step 3: Cross multiply
    252,000.10x = 378,000.15 × 112,032.10
  4. Step 4: Simplify right side
    252,000.10x = 42,348,150,604.82
  5. Step 5: Solve for x
    x = 42,348,150,604.82/252,000.10
  6. Step 6: Final answer
    x = 168,048.15

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1.5x scale

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.