Home / 305,074.64-457,618.02-214,747.92

Finding the Fourth Proportional to 305,074.64, 457,618.02 and 214,747.92

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Solution

The fourth proportional to 305,074.64, 457,618.02 and 214,747.92 is: 322,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,074.64 : 457,618.02 = 214,747.92 : x
  2. Step 2: Convert to fraction form
    305,074.64/457,618.02 = 214,747.92/x
  3. Step 3: Cross multiply
    305,074.64x = 457,618.02 × 214,747.92
  4. Step 4: Simplify right side
    305,074.64x = 98,272,517,949.52
  5. Step 5: Solve for x
    x = 98,272,517,949.52/305,074.64
  6. Step 6: Final answer
    x = 322,126.15

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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.