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Finding the Fourth Proportional to 366,943.70, 506,410.06 and 203,631.12

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Solution

The fourth proportional to 366,943.70, 506,410.06 and 203,631.12 is: 281,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,943.70 : 506,410.06 = 203,631.12 : x
  2. Step 2: Convert to fraction form
    366,943.70/506,410.06 = 203,631.12/x
  3. Step 3: Cross multiply
    366,943.70x = 506,410.06 × 203,631.12
  4. Step 4: Simplify right side
    366,943.70x = 103,120,847,697.07
  5. Step 5: Solve for x
    x = 103,120,847,697.07/366,943.70
  6. Step 6: Final answer
    x = 281,026.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.