Home / 314,895.20-472,417.21-125,366.43

Finding the Fourth Proportional to 314,895.20, 472,417.21 and 125,366.43

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Solution

The fourth proportional to 314,895.20, 472,417.21 and 125,366.43 is: 188,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.20 : 472,417.21 = 125,366.43 : x
  2. Step 2: Convert to fraction form
    314,895.20/472,417.21 = 125,366.43/x
  3. Step 3: Cross multiply
    314,895.20x = 472,417.21 × 125,366.43
  4. Step 4: Simplify right side
    314,895.20x = 59,225,261,016.53
  5. Step 5: Solve for x
    x = 59,225,261,016.53/314,895.20
  6. Step 6: Final answer
    x = 188,079.28

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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.