Home / 227,200.36-340,423.78-138,184.60

Finding the Fourth Proportional to 227,200.36, 340,423.78 and 138,184.60

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Solution

The fourth proportional to 227,200.36, 340,423.78 and 138,184.60 is: 207,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,200.36 : 340,423.78 = 138,184.60 : x
  2. Step 2: Convert to fraction form
    227,200.36/340,423.78 = 138,184.60/x
  3. Step 3: Cross multiply
    227,200.36x = 340,423.78 × 138,184.60
  4. Step 4: Simplify right side
    227,200.36x = 47,041,323,869.79
  5. Step 5: Solve for x
    x = 47,041,323,869.79/227,200.36
  6. Step 6: Final answer
    x = 207,047.75

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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.