Home / 486,819.90-671,807.61-269,043.15

Finding the Fourth Proportional to 486,819.90, 671,807.61 and 269,043.15

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Solution

The fourth proportional to 486,819.90, 671,807.61 and 269,043.15 is: 371,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,819.90 : 671,807.61 = 269,043.15 : x
  2. Step 2: Convert to fraction form
    486,819.90/671,807.61 = 269,043.15/x
  3. Step 3: Cross multiply
    486,819.90x = 671,807.61 × 269,043.15
  4. Step 4: Simplify right side
    486,819.90x = 180,745,235,588.37
  5. Step 5: Solve for x
    x = 180,745,235,588.37/486,819.90
  6. Step 6: Final answer
    x = 371,277.42

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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.