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Finding the Fourth Proportional to 340,990.92, 511,468.20 and 104,333.76

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Solution

The fourth proportional to 340,990.92, 511,468.20 and 104,333.76 is: 156,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,990.92 : 511,468.20 = 104,333.76 : x
  2. Step 2: Convert to fraction form
    340,990.92/511,468.20 = 104,333.76/x
  3. Step 3: Cross multiply
    340,990.92x = 511,468.20 × 104,333.76
  4. Step 4: Simplify right side
    340,990.92x = 53,363,400,426.43
  5. Step 5: Solve for x
    x = 53,363,400,426.43/340,990.92
  6. Step 6: Final answer
    x = 156,495.08

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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.