Home / 279,610.15-385,848.26-158,735.58

Finding the Fourth Proportional to 279,610.15, 385,848.26 and 158,735.58

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Solution

The fourth proportional to 279,610.15, 385,848.26 and 158,735.58 is: 219,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,610.15 : 385,848.26 = 158,735.58 : x
  2. Step 2: Convert to fraction form
    279,610.15/385,848.26 = 158,735.58/x
  3. Step 3: Cross multiply
    279,610.15x = 385,848.26 × 158,735.58
  4. Step 4: Simplify right side
    279,610.15x = 61,247,847,343.09
  5. Step 5: Solve for x
    x = 61,247,847,343.09/279,610.15
  6. Step 6: Final answer
    x = 219,047.30

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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.