Home / 278,895.04-418,514.28-110,386.69

Finding the Fourth Proportional to 278,895.04, 418,514.28 and 110,386.69

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Solution

The fourth proportional to 278,895.04, 418,514.28 and 110,386.69 is: 165,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,895.04 : 418,514.28 = 110,386.69 : x
  2. Step 2: Convert to fraction form
    278,895.04/418,514.28 = 110,386.69/x
  3. Step 3: Cross multiply
    278,895.04x = 418,514.28 × 110,386.69
  4. Step 4: Simplify right side
    278,895.04x = 46,198,406,086.93
  5. Step 5: Solve for x
    x = 46,198,406,086.93/278,895.04
  6. Step 6: Final answer
    x = 165,648.00

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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.