Home / 286,515.80-395,394.15-179,148.07

Finding the Fourth Proportional to 286,515.80, 395,394.15 and 179,148.07

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Solution

The fourth proportional to 286,515.80, 395,394.15 and 179,148.07 is: 247,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,515.80 : 395,394.15 = 179,148.07 : x
  2. Step 2: Convert to fraction form
    286,515.80/395,394.15 = 179,148.07/x
  3. Step 3: Cross multiply
    286,515.80x = 395,394.15 × 179,148.07
  4. Step 4: Simplify right side
    286,515.80x = 70,834,098,861.79
  5. Step 5: Solve for x
    x = 70,834,098,861.79/286,515.80
  6. Step 6: Final answer
    x = 247,225.80

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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.