Home / 247,036.04-340,912.42-145,062.72

Finding the Fourth Proportional to 247,036.04, 340,912.42 and 145,062.72

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Solution

The fourth proportional to 247,036.04, 340,912.42 and 145,062.72 is: 200,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,036.04 : 340,912.42 = 145,062.72 : x
  2. Step 2: Convert to fraction form
    247,036.04/340,912.42 = 145,062.72/x
  3. Step 3: Cross multiply
    247,036.04x = 340,912.42 × 145,062.72
  4. Step 4: Simplify right side
    247,036.04x = 49,453,682,926.98
  5. Step 5: Solve for x
    x = 49,453,682,926.98/247,036.04
  6. Step 6: Final answer
    x = 200,188.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.