Home / 374,854.20-517,134.46-219,726.84

Finding the Fourth Proportional to 374,854.20, 517,134.46 and 219,726.84

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Solution

The fourth proportional to 374,854.20, 517,134.46 and 219,726.84 is: 303,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,854.20 : 517,134.46 = 219,726.84 : x
  2. Step 2: Convert to fraction form
    374,854.20/517,134.46 = 219,726.84/x
  3. Step 3: Cross multiply
    374,854.20x = 517,134.46 × 219,726.84
  4. Step 4: Simplify right side
    374,854.20x = 113,628,320,750.91
  5. Step 5: Solve for x
    x = 113,628,320,750.91/374,854.20
  6. Step 6: Final answer
    x = 303,126.71

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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.