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Finding the Fourth Proportional to 227,559.60, 341,339.40 and 138,986.10

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Solution

The fourth proportional to 227,559.60, 341,339.40 and 138,986.10 is: 208,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,559.60 : 341,339.40 = 138,986.10 : x
  2. Step 2: Convert to fraction form
    227,559.60/341,339.40 = 138,986.10/x
  3. Step 3: Cross multiply
    227,559.60x = 341,339.40 × 138,986.10
  4. Step 4: Simplify right side
    227,559.60x = 47,441,431,982.34
  5. Step 5: Solve for x
    x = 47,441,431,982.34/227,559.60
  6. Step 6: Final answer
    x = 208,479.15

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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.