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Finding the Fourth Proportional to 330,298.91, 455,784.66 and 183,127.70

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Solution

The fourth proportional to 330,298.91, 455,784.66 and 183,127.70 is: 252,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,298.91 : 455,784.66 = 183,127.70 : x
  2. Step 2: Convert to fraction form
    330,298.91/455,784.66 = 183,127.70/x
  3. Step 3: Cross multiply
    330,298.91x = 455,784.66 × 183,127.70
  4. Step 4: Simplify right side
    330,298.91x = 83,466,794,202.16
  5. Step 5: Solve for x
    x = 83,466,794,202.16/330,298.91
  6. Step 6: Final answer
    x = 252,700.79

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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.