Home / 282,378.90-423,620.82-92,849.88

Finding the Fourth Proportional to 282,378.90, 423,620.82 and 92,849.88

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Solution

The fourth proportional to 282,378.90, 423,620.82 and 92,849.88 is: 139,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,378.90 : 423,620.82 = 92,849.88 : x
  2. Step 2: Convert to fraction form
    282,378.90/423,620.82 = 92,849.88/x
  3. Step 3: Cross multiply
    282,378.90x = 423,620.82 × 92,849.88
  4. Step 4: Simplify right side
    282,378.90x = 39,333,142,302.50
  5. Step 5: Solve for x
    x = 39,333,142,302.50/282,378.90
  6. Step 6: Final answer
    x = 139,292.07

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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.