Home / 293,640.40-441,382.20-288,110.80

Finding the Fourth Proportional to 293,640.40, 441,382.20 and 288,110.80

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Solution

The fourth proportional to 293,640.40, 441,382.20 and 288,110.80 is: 433,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,640.40 : 441,382.20 = 288,110.80 : x
  2. Step 2: Convert to fraction form
    293,640.40/441,382.20 = 288,110.80/x
  3. Step 3: Cross multiply
    293,640.40x = 441,382.20 × 288,110.80
  4. Step 4: Simplify right side
    293,640.40x = 127,166,978,747.76
  5. Step 5: Solve for x
    x = 127,166,978,747.76/293,640.40
  6. Step 6: Final answer
    x = 433,070.45

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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.