Home / 368,402.39-551,946.17-199,815.18

Finding the Fourth Proportional to 368,402.39, 551,946.17 and 199,815.18

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Solution

The fourth proportional to 368,402.39, 551,946.17 and 199,815.18 is: 299,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,402.39 : 551,946.17 = 199,815.18 : x
  2. Step 2: Convert to fraction form
    368,402.39/551,946.17 = 199,815.18/x
  3. Step 3: Cross multiply
    368,402.39x = 551,946.17 × 199,815.18
  4. Step 4: Simplify right side
    368,402.39x = 110,287,223,308.86
  5. Step 5: Solve for x
    x = 110,287,223,308.86/368,402.39
  6. Step 6: Final answer
    x = 299,366.20

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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.