Home / 204,420.24-306,631.72-71,300

Finding the Fourth Proportional to 204,420.24, 306,631.72 and 71,300

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Solution

The fourth proportional to 204,420.24, 306,631.72 and 71,300 is: 106,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,420.24 : 306,631.72 = 71,300 : x
  2. Step 2: Convert to fraction form
    204,420.24/306,631.72 = 71,300/x
  3. Step 3: Cross multiply
    204,420.24x = 306,631.72 × 71,300
  4. Step 4: Simplify right side
    204,420.24x = 21,862,841,636.00
  5. Step 5: Solve for x
    x = 21,862,841,636.00/204,420.24
  6. Step 6: Final answer
    x = 106,950.47

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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.