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Finding the Fourth Proportional to 330,354.52, 455,920.96 and 185,159.58

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Solution

The fourth proportional to 330,354.52, 455,920.96 and 185,159.58 is: 255,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,354.52 : 455,920.96 = 185,159.58 : x
  2. Step 2: Convert to fraction form
    330,354.52/455,920.96 = 185,159.58/x
  3. Step 3: Cross multiply
    330,354.52x = 455,920.96 × 185,159.58
  4. Step 4: Simplify right side
    330,354.52x = 84,418,133,466.80
  5. Step 5: Solve for x
    x = 84,418,133,466.80/330,354.52
  6. Step 6: Final answer
    x = 255,538.00

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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.