Home / 205,931.62-284,039.10-188,990.59

Finding the Fourth Proportional to 205,931.62, 284,039.10 and 188,990.59

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Solution

The fourth proportional to 205,931.62, 284,039.10 and 188,990.59 is: 260,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,931.62 : 284,039.10 = 188,990.59 : x
  2. Step 2: Convert to fraction form
    205,931.62/284,039.10 = 188,990.59/x
  3. Step 3: Cross multiply
    205,931.62x = 284,039.10 × 188,990.59
  4. Step 4: Simplify right side
    205,931.62x = 53,680,717,092.07
  5. Step 5: Solve for x
    x = 53,680,717,092.07/205,931.62
  6. Step 6: Final answer
    x = 260,672.53

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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.