Home / 331,631.21-457,651.46-180,728.21

Finding the Fourth Proportional to 331,631.21, 457,651.46 and 180,728.21

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Solution

The fourth proportional to 331,631.21, 457,651.46 and 180,728.21 is: 249,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,631.21 : 457,651.46 = 180,728.21 : x
  2. Step 2: Convert to fraction form
    331,631.21/457,651.46 = 180,728.21/x
  3. Step 3: Cross multiply
    331,631.21x = 457,651.46 × 180,728.21
  4. Step 4: Simplify right side
    331,631.21x = 82,710,527,333.25
  5. Step 5: Solve for x
    x = 82,710,527,333.25/331,631.21
  6. Step 6: Final answer
    x = 249,405.14

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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.