Home / 331,392.04-457,321.92-180,489.04

Finding the Fourth Proportional to 331,392.04, 457,321.92 and 180,489.04

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Solution

The fourth proportional to 331,392.04, 457,321.92 and 180,489.04 is: 249,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,392.04 : 457,321.92 = 180,489.04 : x
  2. Step 2: Convert to fraction form
    331,392.04/457,321.92 = 180,489.04/x
  3. Step 3: Cross multiply
    331,392.04x = 457,321.92 × 180,489.04
  4. Step 4: Simplify right side
    331,392.04x = 82,541,594,311.76
  5. Step 5: Solve for x
    x = 82,541,594,311.76/331,392.04
  6. Step 6: Final answer
    x = 249,075.37

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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.