Home / 331,253.10-457,129.32-180,350.10

Finding the Fourth Proportional to 331,253.10, 457,129.32 and 180,350.10

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Solution

The fourth proportional to 331,253.10, 457,129.32 and 180,350.10 is: 248,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,253.10 : 457,129.32 = 180,350.10 : x
  2. Step 2: Convert to fraction form
    331,253.10/457,129.32 = 180,350.10/x
  3. Step 3: Cross multiply
    331,253.10x = 457,129.32 × 180,350.10
  4. Step 4: Simplify right side
    331,253.10x = 82,443,318,574.93
  5. Step 5: Solve for x
    x = 82,443,318,574.93/331,253.10
  6. Step 6: Final answer
    x = 248,883.16

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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.