Home / 314,724.20-472,283.14-127,735.70

Finding the Fourth Proportional to 314,724.20, 472,283.14 and 127,735.70

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Solution

The fourth proportional to 314,724.20, 472,283.14 and 127,735.70 is: 191,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,724.20 : 472,283.14 = 127,735.70 : x
  2. Step 2: Convert to fraction form
    314,724.20/472,283.14 = 127,735.70/x
  3. Step 3: Cross multiply
    314,724.20x = 472,283.14 × 127,735.70
  4. Step 4: Simplify right side
    314,724.20x = 60,327,417,486.10
  5. Step 5: Solve for x
    x = 60,327,417,486.10/314,724.20
  6. Step 6: Final answer
    x = 191,683.44

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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.