Home / 363,981.06-502,287.01-198,410.45

Finding the Fourth Proportional to 363,981.06, 502,287.01 and 198,410.45

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Solution

The fourth proportional to 363,981.06, 502,287.01 and 198,410.45 is: 273,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,981.06 : 502,287.01 = 198,410.45 : x
  2. Step 2: Convert to fraction form
    363,981.06/502,287.01 = 198,410.45/x
  3. Step 3: Cross multiply
    363,981.06x = 502,287.01 × 198,410.45
  4. Step 4: Simplify right side
    363,981.06x = 99,658,988,675.79
  5. Step 5: Solve for x
    x = 99,658,988,675.79/363,981.06
  6. Step 6: Final answer
    x = 273,802.68

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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.