Home / 830,106.80-1,245,160.20-269,141.30

Finding the Fourth Proportional to 830,106.80, 1,245,160.20 and 269,141.30

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Solution

The fourth proportional to 830,106.80, 1,245,160.20 and 269,141.30 is: 403,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,106.80 : 1,245,160.20 = 269,141.30 : x
  2. Step 2: Convert to fraction form
    830,106.80/1,245,160.20 = 269,141.30/x
  3. Step 3: Cross multiply
    830,106.80x = 1,245,160.20 × 269,141.30
  4. Step 4: Simplify right side
    830,106.80x = 335,124,034,936.26
  5. Step 5: Solve for x
    x = 335,124,034,936.26/830,106.80
  6. Step 6: Final answer
    x = 403,711.95

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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.