Home / 368,178.17-551,381.51-209,926.85

Finding the Fourth Proportional to 368,178.17, 551,381.51 and 209,926.85

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Solution

The fourth proportional to 368,178.17, 551,381.51 and 209,926.85 is: 314,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,178.17 : 551,381.51 = 209,926.85 : x
  2. Step 2: Convert to fraction form
    368,178.17/551,381.51 = 209,926.85/x
  3. Step 3: Cross multiply
    368,178.17x = 551,381.51 × 209,926.85
  4. Step 4: Simplify right side
    368,178.17x = 115,749,781,310.45
  5. Step 5: Solve for x
    x = 115,749,781,310.45/368,178.17
  6. Step 6: Final answer
    x = 314,385.24

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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.