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Finding the Fourth Proportional to 306,000.30, 459,000.45 and 95,637.90

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Solution

The fourth proportional to 306,000.30, 459,000.45 and 95,637.90 is: 143,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,000.30 : 459,000.45 = 95,637.90 : x
  2. Step 2: Convert to fraction form
    306,000.30/459,000.45 = 95,637.90/x
  3. Step 3: Cross multiply
    306,000.30x = 459,000.45 × 95,637.90
  4. Step 4: Simplify right side
    306,000.30x = 43,897,839,137.06
  5. Step 5: Solve for x
    x = 43,897,839,137.06/306,000.30
  6. Step 6: Final answer
    x = 143,456.85

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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.