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Finding the Fourth Proportional to 329,710.24, 455,000.08 and 178,807.20

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Solution

The fourth proportional to 329,710.24, 455,000.08 and 178,807.20 is: 246,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,710.24 : 455,000.08 = 178,807.20 : x
  2. Step 2: Convert to fraction form
    329,710.24/455,000.08 = 178,807.20/x
  3. Step 3: Cross multiply
    329,710.24x = 455,000.08 × 178,807.20
  4. Step 4: Simplify right side
    329,710.24x = 81,357,290,304.58
  5. Step 5: Solve for x
    x = 81,357,290,304.58/329,710.24
  6. Step 6: Final answer
    x = 246,753.91

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1.5x scale

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.