Home / 331,718.12-457,771.02-180,815.12

Finding the Fourth Proportional to 331,718.12, 457,771.02 and 180,815.12

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Solution

The fourth proportional to 331,718.12, 457,771.02 and 180,815.12 is: 249,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,718.12 : 457,771.02 = 180,815.12 : x
  2. Step 2: Convert to fraction form
    331,718.12/457,771.02 = 180,815.12/x
  3. Step 3: Cross multiply
    331,718.12x = 457,771.02 × 180,815.12
  4. Step 4: Simplify right side
    331,718.12x = 82,771,921,913.82
  5. Step 5: Solve for x
    x = 82,771,921,913.82/331,718.12
  6. Step 6: Final answer
    x = 249,524.87

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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.