Home / 282,427.56-389,752.16-161,561.39

Finding the Fourth Proportional to 282,427.56, 389,752.16 and 161,561.39

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Solution

The fourth proportional to 282,427.56, 389,752.16 and 161,561.39 is: 222,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,427.56 : 389,752.16 = 161,561.39 : x
  2. Step 2: Convert to fraction form
    282,427.56/389,752.16 = 161,561.39/x
  3. Step 3: Cross multiply
    282,427.56x = 389,752.16 × 161,561.39
  4. Step 4: Simplify right side
    282,427.56x = 62,968,897,968.53
  5. Step 5: Solve for x
    x = 62,968,897,968.53/282,427.56
  6. Step 6: Final answer
    x = 222,955.93

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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.