Home / 314,724.70-472,283.88-127,736.20

Finding the Fourth Proportional to 314,724.70, 472,283.88 and 127,736.20

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Solution

The fourth proportional to 314,724.70, 472,283.88 and 127,736.20 is: 191,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,724.70 : 472,283.88 = 127,736.20 : x
  2. Step 2: Convert to fraction form
    314,724.70/472,283.88 = 127,736.20/x
  3. Step 3: Cross multiply
    314,724.70x = 472,283.88 × 127,736.20
  4. Step 4: Simplify right side
    314,724.70x = 60,327,748,152.46
  5. Step 5: Solve for x
    x = 60,327,748,152.46/314,724.70
  6. Step 6: Final answer
    x = 191,684.19

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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.