Home / 279,056.68-385,096.26-151,732.36

Finding the Fourth Proportional to 279,056.68, 385,096.26 and 151,732.36

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Solution

The fourth proportional to 279,056.68, 385,096.26 and 151,732.36 is: 209,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,056.68 : 385,096.26 = 151,732.36 : x
  2. Step 2: Convert to fraction form
    279,056.68/385,096.26 = 151,732.36/x
  3. Step 3: Cross multiply
    279,056.68x = 385,096.26 × 151,732.36
  4. Step 4: Simplify right side
    279,056.68x = 58,431,564,356.97
  5. Step 5: Solve for x
    x = 58,431,564,356.97/279,056.68
  6. Step 6: Final answer
    x = 209,389.59

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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.