Home / 282,426.25-389,782.80-163,194.25

Finding the Fourth Proportional to 282,426.25, 389,782.80 and 163,194.25

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Solution

The fourth proportional to 282,426.25, 389,782.80 and 163,194.25 is: 225,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,426.25 : 389,782.80 = 163,194.25 : x
  2. Step 2: Convert to fraction form
    282,426.25/389,782.80 = 163,194.25/x
  3. Step 3: Cross multiply
    282,426.25x = 389,782.80 × 163,194.25
  4. Step 4: Simplify right side
    282,426.25x = 63,610,311,708.90
  5. Step 5: Solve for x
    x = 63,610,311,708.90/282,426.25
  6. Step 6: Final answer
    x = 225,228.04

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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.