Home / 227,178.81-340,551-84,985.47

Finding the Fourth Proportional to 227,178.81, 340,551 and 84,985.47

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Solution

The fourth proportional to 227,178.81, 340,551 and 84,985.47 is: 127,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,178.81 : 340,551 = 84,985.47 : x
  2. Step 2: Convert to fraction form
    227,178.81/340,551 = 84,985.47/x
  3. Step 3: Cross multiply
    227,178.81x = 340,551 × 84,985.47
  4. Step 4: Simplify right side
    227,178.81x = 28,941,886,793.97
  5. Step 5: Solve for x
    x = 28,941,886,793.97/227,178.81
  6. Step 6: Final answer
    x = 127,396.95

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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.