Home / 368,178.23-551,381.61-209,926.91

Finding the Fourth Proportional to 368,178.23, 551,381.61 and 209,926.91

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Solution

The fourth proportional to 368,178.23, 551,381.61 and 209,926.91 is: 314,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,178.23 : 551,381.61 = 209,926.91 : x
  2. Step 2: Convert to fraction form
    368,178.23/551,381.61 = 209,926.91/x
  3. Step 3: Cross multiply
    368,178.23x = 551,381.61 × 209,926.91
  4. Step 4: Simplify right side
    368,178.23x = 115,749,835,190.04
  5. Step 5: Solve for x
    x = 115,749,835,190.04/368,178.23
  6. Step 6: Final answer
    x = 314,385.33

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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.