Home / 232,823.20-349,388.40-85,079.20

Finding the Fourth Proportional to 232,823.20, 349,388.40 and 85,079.20

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Solution

The fourth proportional to 232,823.20, 349,388.40 and 85,079.20 is: 127,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,823.20 : 349,388.40 = 85,079.20 : x
  2. Step 2: Convert to fraction form
    232,823.20/349,388.40 = 85,079.20/x
  3. Step 3: Cross multiply
    232,823.20x = 349,388.40 × 85,079.20
  4. Step 4: Simplify right side
    232,823.20x = 29,725,685,561.28
  5. Step 5: Solve for x
    x = 29,725,685,561.28/232,823.20
  6. Step 6: Final answer
    x = 127,674.93

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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.