Home / 399,664.80-598,719.60-241,423.20

Finding the Fourth Proportional to 399,664.80, 598,719.60 and 241,423.20

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Solution

The fourth proportional to 399,664.80, 598,719.60 and 241,423.20 is: 361,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,664.80 : 598,719.60 = 241,423.20 : x
  2. Step 2: Convert to fraction form
    399,664.80/598,719.60 = 241,423.20/x
  3. Step 3: Cross multiply
    399,664.80x = 598,719.60 × 241,423.20
  4. Step 4: Simplify right side
    399,664.80x = 144,544,801,734.72
  5. Step 5: Solve for x
    x = 144,544,801,734.72/399,664.80
  6. Step 6: Final answer
    x = 361,665.08

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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.