Home / 292,660.76-438,689.82-115,095.80

Finding the Fourth Proportional to 292,660.76, 438,689.82 and 115,095.80

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Solution

The fourth proportional to 292,660.76, 438,689.82 and 115,095.80 is: 172,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,660.76 : 438,689.82 = 115,095.80 : x
  2. Step 2: Convert to fraction form
    292,660.76/438,689.82 = 115,095.80/x
  3. Step 3: Cross multiply
    292,660.76x = 438,689.82 × 115,095.80
  4. Step 4: Simplify right side
    292,660.76x = 50,491,355,784.76
  5. Step 5: Solve for x
    x = 50,491,355,784.76/292,660.76
  6. Step 6: Final answer
    x = 172,525.20

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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.