Home / 363,938.65-502,228.60-198,368.05

Finding the Fourth Proportional to 363,938.65, 502,228.60 and 198,368.05

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Solution

The fourth proportional to 363,938.65, 502,228.60 and 198,368.05 is: 273,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,938.65 : 502,228.60 = 198,368.05 : x
  2. Step 2: Convert to fraction form
    363,938.65/502,228.60 = 198,368.05/x
  3. Step 3: Cross multiply
    363,938.65x = 502,228.60 × 198,368.05
  4. Step 4: Simplify right side
    363,938.65x = 99,626,108,036.23
  5. Step 5: Solve for x
    x = 99,626,108,036.23/363,938.65
  6. Step 6: Final answer
    x = 273,744.24

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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.