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Finding the Fourth Proportional to 279,094.23, 385,160.18 and 159,885.27

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Solution

The fourth proportional to 279,094.23, 385,160.18 and 159,885.27 is: 220,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,094.23 : 385,160.18 = 159,885.27 : x
  2. Step 2: Convert to fraction form
    279,094.23/385,160.18 = 159,885.27/x
  3. Step 3: Cross multiply
    279,094.23x = 385,160.18 × 159,885.27
  4. Step 4: Simplify right side
    279,094.23x = 61,581,438,573.12
  5. Step 5: Solve for x
    x = 61,581,438,573.12/279,094.23
  6. Step 6: Final answer
    x = 220,647.48

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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.