Home / 314,948.90-472,452.15-127,921.70

Finding the Fourth Proportional to 314,948.90, 472,452.15 and 127,921.70

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Solution

The fourth proportional to 314,948.90, 472,452.15 and 127,921.70 is: 191,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,948.90 : 472,452.15 = 127,921.70 : x
  2. Step 2: Convert to fraction form
    314,948.90/472,452.15 = 127,921.70/x
  3. Step 3: Cross multiply
    314,948.90x = 472,452.15 × 127,921.70
  4. Step 4: Simplify right side
    314,948.90x = 60,436,882,196.66
  5. Step 5: Solve for x
    x = 60,436,882,196.66/314,948.90
  6. Step 6: Final answer
    x = 191,894.25

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1.5x scale

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.