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Finding the Fourth Proportional to 375,344.32, 563,023.68 and 122,625.52

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Solution

The fourth proportional to 375,344.32, 563,023.68 and 122,625.52 is: 183,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,344.32 : 563,023.68 = 122,625.52 : x
  2. Step 2: Convert to fraction form
    375,344.32/563,023.68 = 122,625.52/x
  3. Step 3: Cross multiply
    375,344.32x = 563,023.68 × 122,625.52
  4. Step 4: Simplify right side
    375,344.32x = 69,041,071,532.31
  5. Step 5: Solve for x
    x = 69,041,071,532.31/375,344.32
  6. Step 6: Final answer
    x = 183,940.63

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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.