Home / 279,484.16-385,676.54-158,623.25

Finding the Fourth Proportional to 279,484.16, 385,676.54 and 158,623.25

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Solution

The fourth proportional to 279,484.16, 385,676.54 and 158,623.25 is: 218,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,484.16 : 385,676.54 = 158,623.25 : x
  2. Step 2: Convert to fraction form
    279,484.16/385,676.54 = 158,623.25/x
  3. Step 3: Cross multiply
    279,484.16x = 385,676.54 × 158,623.25
  4. Step 4: Simplify right side
    279,484.16x = 61,177,266,223.56
  5. Step 5: Solve for x
    x = 61,177,266,223.56/279,484.16
  6. Step 6: Final answer
    x = 218,893.50

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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.