Home / 400,192.38-600,362.46-126,707.40

Finding the Fourth Proportional to 400,192.38, 600,362.46 and 126,707.40

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Solution

The fourth proportional to 400,192.38, 600,362.46 and 126,707.40 is: 190,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,192.38 : 600,362.46 = 126,707.40 : x
  2. Step 2: Convert to fraction form
    400,192.38/600,362.46 = 126,707.40/x
  3. Step 3: Cross multiply
    400,192.38x = 600,362.46 × 126,707.40
  4. Step 4: Simplify right side
    400,192.38x = 76,070,366,364.20
  5. Step 5: Solve for x
    x = 76,070,366,364.20/400,192.38
  6. Step 6: Final answer
    x = 190,084.49

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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.