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Finding the Fourth Proportional to 371,695.73, 512,950.63 and 210,550.74

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Solution

The fourth proportional to 371,695.73, 512,950.63 and 210,550.74 is: 290,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,695.73 : 512,950.63 = 210,550.74 : x
  2. Step 2: Convert to fraction form
    371,695.73/512,950.63 = 210,550.74/x
  3. Step 3: Cross multiply
    371,695.73x = 512,950.63 × 210,550.74
  4. Step 4: Simplify right side
    371,695.73x = 108,002,134,729.97
  5. Step 5: Solve for x
    x = 108,002,134,729.97/371,695.73
  6. Step 6: Final answer
    x = 290,565.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.