Home / 314,716.20-472,271.13-127,727.70

Finding the Fourth Proportional to 314,716.20, 472,271.13 and 127,727.70

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Solution

The fourth proportional to 314,716.20, 472,271.13 and 127,727.70 is: 191,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,716.20 : 472,271.13 = 127,727.70 : x
  2. Step 2: Convert to fraction form
    314,716.20/472,271.13 = 127,727.70/x
  3. Step 3: Cross multiply
    314,716.20x = 472,271.13 × 127,727.70
  4. Step 4: Simplify right side
    314,716.20x = 60,322,105,211.30
  5. Step 5: Solve for x
    x = 60,322,105,211.30/314,716.20
  6. Step 6: Final answer
    x = 191,671.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.