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Finding the Fourth Proportional to 471,479.61, 650,641.37 and 256,619.17

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Solution

The fourth proportional to 471,479.61, 650,641.37 and 256,619.17 is: 354,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,479.61 : 650,641.37 = 256,619.17 : x
  2. Step 2: Convert to fraction form
    471,479.61/650,641.37 = 256,619.17/x
  3. Step 3: Cross multiply
    471,479.61x = 650,641.37 × 256,619.17
  4. Step 4: Simplify right side
    471,479.61x = 166,967,044,442.31
  5. Step 5: Solve for x
    x = 166,967,044,442.31/471,479.61
  6. Step 6: Final answer
    x = 354,134.18

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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.