Home / 282,447.25-423,670.49-72,085.18

Finding the Fourth Proportional to 282,447.25, 423,670.49 and 72,085.18

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Solution

The fourth proportional to 282,447.25, 423,670.49 and 72,085.18 is: 108,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,447.25 : 423,670.49 = 72,085.18 : x
  2. Step 2: Convert to fraction form
    282,447.25/423,670.49 = 72,085.18/x
  3. Step 3: Cross multiply
    282,447.25x = 423,670.49 × 72,085.18
  4. Step 4: Simplify right side
    282,447.25x = 30,540,363,171.91
  5. Step 5: Solve for x
    x = 30,540,363,171.91/282,447.25
  6. Step 6: Final answer
    x = 108,127.67

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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.