Home / 399,975.52-551,972.12-270,953.46

Finding the Fourth Proportional to 399,975.52, 551,972.12 and 270,953.46

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Solution

The fourth proportional to 399,975.52, 551,972.12 and 270,953.46 is: 373,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,975.52 : 551,972.12 = 270,953.46 : x
  2. Step 2: Convert to fraction form
    399,975.52/551,972.12 = 270,953.46/x
  3. Step 3: Cross multiply
    399,975.52x = 551,972.12 × 270,953.46
  4. Step 4: Simplify right side
    399,975.52x = 149,558,755,737.54
  5. Step 5: Solve for x
    x = 149,558,755,737.54/399,975.52
  6. Step 6: Final answer
    x = 373,919.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.