Home / 399,784.98-599,680.04-159,918.92

Finding the Fourth Proportional to 399,784.98, 599,680.04 and 159,918.92

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Solution

The fourth proportional to 399,784.98, 599,680.04 and 159,918.92 is: 239,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,784.98 : 599,680.04 = 159,918.92 : x
  2. Step 2: Convert to fraction form
    399,784.98/599,680.04 = 159,918.92/x
  3. Step 3: Cross multiply
    399,784.98x = 599,680.04 × 159,918.92
  4. Step 4: Simplify right side
    399,784.98x = 95,900,181,343.96
  5. Step 5: Solve for x
    x = 95,900,181,343.96/399,784.98
  6. Step 6: Final answer
    x = 239,879.40

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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.