Home / 331,480.32-457,438.72-180,574.08

Finding the Fourth Proportional to 331,480.32, 457,438.72 and 180,574.08

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Solution

The fourth proportional to 331,480.32, 457,438.72 and 180,574.08 is: 249,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,480.32 : 457,438.72 = 180,574.08 : x
  2. Step 2: Convert to fraction form
    331,480.32/457,438.72 = 180,574.08/x
  3. Step 3: Cross multiply
    331,480.32x = 457,438.72 × 180,574.08
  4. Step 4: Simplify right side
    331,480.32x = 82,601,576,020.38
  5. Step 5: Solve for x
    x = 82,601,576,020.38/331,480.32
  6. Step 6: Final answer
    x = 249,189.99

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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.