Home / 331,726.12-457,782.06-180,823.12

Finding the Fourth Proportional to 331,726.12, 457,782.06 and 180,823.12

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Solution

The fourth proportional to 331,726.12, 457,782.06 and 180,823.12 is: 249,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,726.12 : 457,782.06 = 180,823.12 : x
  2. Step 2: Convert to fraction form
    331,726.12/457,782.06 = 180,823.12/x
  3. Step 3: Cross multiply
    331,726.12x = 457,782.06 × 180,823.12
  4. Step 4: Simplify right side
    331,726.12x = 82,777,580,369.23
  5. Step 5: Solve for x
    x = 82,777,580,369.23/331,726.12
  6. Step 6: Final answer
    x = 249,535.91

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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.