Home / 282,434.92-389,759.71-155,110.52

Finding the Fourth Proportional to 282,434.92, 389,759.71 and 155,110.52

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Solution

The fourth proportional to 282,434.92, 389,759.71 and 155,110.52 is: 214,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,434.92 : 389,759.71 = 155,110.52 : x
  2. Step 2: Convert to fraction form
    282,434.92/389,759.71 = 155,110.52/x
  3. Step 3: Cross multiply
    282,434.92x = 389,759.71 × 155,110.52
  4. Step 4: Simplify right side
    282,434.92x = 60,455,831,293.15
  5. Step 5: Solve for x
    x = 60,455,831,293.15/282,434.92
  6. Step 6: Final answer
    x = 214,052.25

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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.