Home / 279,266.17-385,381.51-151,942.27

Finding the Fourth Proportional to 279,266.17, 385,381.51 and 151,942.27

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Solution

The fourth proportional to 279,266.17, 385,381.51 and 151,942.27 is: 209,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,266.17 : 385,381.51 = 151,942.27 : x
  2. Step 2: Convert to fraction form
    279,266.17/385,381.51 = 151,942.27/x
  3. Step 3: Cross multiply
    279,266.17x = 385,381.51 × 151,942.27
  4. Step 4: Simplify right side
    279,266.17x = 58,555,741,445.43
  5. Step 5: Solve for x
    x = 58,555,741,445.43/279,266.17
  6. Step 6: Final answer
    x = 209,677.17

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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.