Home / 282,429.52-389,759.50-155,107.84

Finding the Fourth Proportional to 282,429.52, 389,759.50 and 155,107.84

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Solution

The fourth proportional to 282,429.52, 389,759.50 and 155,107.84 is: 214,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,429.52 : 389,759.50 = 155,107.84 : x
  2. Step 2: Convert to fraction form
    282,429.52/389,759.50 = 155,107.84/x
  3. Step 3: Cross multiply
    282,429.52x = 389,759.50 × 155,107.84
  4. Step 4: Simplify right side
    282,429.52x = 60,454,754,164.48
  5. Step 5: Solve for x
    x = 60,454,754,164.48/282,429.52
  6. Step 6: Final answer
    x = 214,052.53

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1.5x scale

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.