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Finding the Fourth Proportional to 329,071.20, 493,606.80 and 188,714.40

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Solution

The fourth proportional to 329,071.20, 493,606.80 and 188,714.40 is: 283,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,071.20 : 493,606.80 = 188,714.40 : x
  2. Step 2: Convert to fraction form
    329,071.20/493,606.80 = 188,714.40/x
  3. Step 3: Cross multiply
    329,071.20x = 493,606.80 × 188,714.40
  4. Step 4: Simplify right side
    329,071.20x = 93,150,711,097.92
  5. Step 5: Solve for x
    x = 93,150,711,097.92/329,071.20
  6. Step 6: Final answer
    x = 283,071.60

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1.5x scale

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.