Home / 279,117.92-385,174.50-158,270.24

Finding the Fourth Proportional to 279,117.92, 385,174.50 and 158,270.24

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Solution

The fourth proportional to 279,117.92, 385,174.50 and 158,270.24 is: 218,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,117.92 : 385,174.50 = 158,270.24 : x
  2. Step 2: Convert to fraction form
    279,117.92/385,174.50 = 158,270.24/x
  3. Step 3: Cross multiply
    279,117.92x = 385,174.50 × 158,270.24
  4. Step 4: Simplify right side
    279,117.92x = 60,961,660,556.88
  5. Step 5: Solve for x
    x = 60,961,660,556.88/279,117.92
  6. Step 6: Final answer
    x = 218,408.26

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1.5x scale

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.