Home / 248,372.12-372,561.68-70,879.15

Finding the Fourth Proportional to 248,372.12, 372,561.68 and 70,879.15

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Solution

The fourth proportional to 248,372.12, 372,561.68 and 70,879.15 is: 106,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,372.12 : 372,561.68 = 70,879.15 : x
  2. Step 2: Convert to fraction form
    248,372.12/372,561.68 = 70,879.15/x
  3. Step 3: Cross multiply
    248,372.12x = 372,561.68 × 70,879.15
  4. Step 4: Simplify right side
    248,372.12x = 26,406,855,445.18
  5. Step 5: Solve for x
    x = 26,406,855,445.18/248,372.12
  6. Step 6: Final answer
    x = 106,319.72

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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.