Home / 230,807.17-318,567.03-135,344.62

Finding the Fourth Proportional to 230,807.17, 318,567.03 and 135,344.62

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Solution

The fourth proportional to 230,807.17, 318,567.03 and 135,344.62 is: 186,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,807.17 : 318,567.03 = 135,344.62 : x
  2. Step 2: Convert to fraction form
    230,807.17/318,567.03 = 135,344.62/x
  3. Step 3: Cross multiply
    230,807.17x = 318,567.03 × 135,344.62
  4. Step 4: Simplify right side
    230,807.17x = 43,116,332,479.92
  5. Step 5: Solve for x
    x = 43,116,332,479.92/230,807.17
  6. Step 6: Final answer
    x = 186,806.73

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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.