Home / 274,319.29-378,561.18-153,462.59

Finding the Fourth Proportional to 274,319.29, 378,561.18 and 153,462.59

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Solution

The fourth proportional to 274,319.29, 378,561.18 and 153,462.59 is: 211,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,319.29 : 378,561.18 = 153,462.59 : x
  2. Step 2: Convert to fraction form
    274,319.29/378,561.18 = 153,462.59/x
  3. Step 3: Cross multiply
    274,319.29x = 378,561.18 × 153,462.59
  4. Step 4: Simplify right side
    274,319.29x = 58,094,978,388.94
  5. Step 5: Solve for x
    x = 58,094,978,388.94/274,319.29
  6. Step 6: Final answer
    x = 211,778.69

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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.