Home / 282,610.20-389,734.30-185,643.48

Finding the Fourth Proportional to 282,610.20, 389,734.30 and 185,643.48

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Solution

The fourth proportional to 282,610.20, 389,734.30 and 185,643.48 is: 256,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,610.20 : 389,734.30 = 185,643.48 : x
  2. Step 2: Convert to fraction form
    282,610.20/389,734.30 = 185,643.48/x
  3. Step 3: Cross multiply
    282,610.20x = 389,734.30 × 185,643.48
  4. Step 4: Simplify right side
    282,610.20x = 72,351,631,727.36
  5. Step 5: Solve for x
    x = 72,351,631,727.36/282,610.20
  6. Step 6: Final answer
    x = 256,012.10

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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.