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Finding the Fourth Proportional to 559,750.20, 839,625.30 and 204,800.10

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Solution

The fourth proportional to 559,750.20, 839,625.30 and 204,800.10 is: 307,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,750.20 : 839,625.30 = 204,800.10 : x
  2. Step 2: Convert to fraction form
    559,750.20/839,625.30 = 204,800.10/x
  3. Step 3: Cross multiply
    559,750.20x = 839,625.30 × 204,800.10
  4. Step 4: Simplify right side
    559,750.20x = 171,955,345,402.53
  5. Step 5: Solve for x
    x = 171,955,345,402.53/559,750.20
  6. Step 6: Final answer
    x = 307,200.15

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Similar ratio
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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.