Home / 331,724.12-457,779.30-180,821.12

Finding the Fourth Proportional to 331,724.12, 457,779.30 and 180,821.12

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Solution

The fourth proportional to 331,724.12, 457,779.30 and 180,821.12 is: 249,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,724.12 : 457,779.30 = 180,821.12 : x
  2. Step 2: Convert to fraction form
    331,724.12/457,779.30 = 180,821.12/x
  3. Step 3: Cross multiply
    331,724.12x = 457,779.30 × 180,821.12
  4. Step 4: Simplify right side
    331,724.12x = 82,776,165,738.82
  5. Step 5: Solve for x
    x = 82,776,165,738.82/331,724.12
  6. Step 6: Final answer
    x = 249,533.15

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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.