Home / 282,025.88-389,195.73-154,701.80

Finding the Fourth Proportional to 282,025.88, 389,195.73 and 154,701.80

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Solution

The fourth proportional to 282,025.88, 389,195.73 and 154,701.80 is: 213,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,025.88 : 389,195.73 = 154,701.80 : x
  2. Step 2: Convert to fraction form
    282,025.88/389,195.73 = 154,701.80/x
  3. Step 3: Cross multiply
    282,025.88x = 389,195.73 × 154,701.80
  4. Step 4: Simplify right side
    282,025.88x = 60,209,278,037.34
  5. Step 5: Solve for x
    x = 60,209,278,037.34/282,025.88
  6. Step 6: Final answer
    x = 213,488.49

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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.