Home / 282,132.64-389,343.01-161,276.53

Finding the Fourth Proportional to 282,132.64, 389,343.01 and 161,276.53

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Solution

The fourth proportional to 282,132.64, 389,343.01 and 161,276.53 is: 222,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.64 : 389,343.01 = 161,276.53 : x
  2. Step 2: Convert to fraction form
    282,132.64/389,343.01 = 161,276.53/x
  3. Step 3: Cross multiply
    282,132.64x = 389,343.01 × 161,276.53
  4. Step 4: Simplify right side
    282,132.64x = 62,791,889,632.56
  5. Step 5: Solve for x
    x = 62,791,889,632.56/282,132.64
  6. Step 6: Final answer
    x = 222,561.59

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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.