Home / 399,823.80-599,444.10-163,044.60

Finding the Fourth Proportional to 399,823.80, 599,444.10 and 163,044.60

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Solution

The fourth proportional to 399,823.80, 599,444.10 and 163,044.60 is: 244,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,823.80 : 599,444.10 = 163,044.60 : x
  2. Step 2: Convert to fraction form
    399,823.80/599,444.10 = 163,044.60/x
  3. Step 3: Cross multiply
    399,823.80x = 599,444.10 × 163,044.60
  4. Step 4: Simplify right side
    399,823.80x = 97,736,123,506.86
  5. Step 5: Solve for x
    x = 97,736,123,506.86/399,823.80
  6. Step 6: Final answer
    x = 244,447.99

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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.