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Finding the Fourth Proportional to 255,000.30, 382,500.45 and 229,631.10

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Solution

The fourth proportional to 255,000.30, 382,500.45 and 229,631.10 is: 344,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,000.30 : 382,500.45 = 229,631.10 : x
  2. Step 2: Convert to fraction form
    255,000.30/382,500.45 = 229,631.10/x
  3. Step 3: Cross multiply
    255,000.30x = 382,500.45 × 229,631.10
  4. Step 4: Simplify right side
    255,000.30x = 87,833,999,084.00
  5. Step 5: Solve for x
    x = 87,833,999,084.00/255,000.30
  6. Step 6: Final answer
    x = 344,446.65

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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.