Home / 227,399.12-341,140.80-77,631.20

Finding the Fourth Proportional to 227,399.12, 341,140.80 and 77,631.20

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Solution

The fourth proportional to 227,399.12, 341,140.80 and 77,631.20 is: 116,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,399.12 : 341,140.80 = 77,631.20 : x
  2. Step 2: Convert to fraction form
    227,399.12/341,140.80 = 77,631.20/x
  3. Step 3: Cross multiply
    227,399.12x = 341,140.80 × 77,631.20
  4. Step 4: Simplify right side
    227,399.12x = 26,483,169,672.96
  5. Step 5: Solve for x
    x = 26,483,169,672.96/227,399.12
  6. Step 6: Final answer
    x = 116,461.18

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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.