Home / 282,340.68-389,579.31-159,832.23

Finding the Fourth Proportional to 282,340.68, 389,579.31 and 159,832.23

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Solution

The fourth proportional to 282,340.68, 389,579.31 and 159,832.23 is: 220,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,340.68 : 389,579.31 = 159,832.23 : x
  2. Step 2: Convert to fraction form
    282,340.68/389,579.31 = 159,832.23/x
  3. Step 3: Cross multiply
    282,340.68x = 389,579.31 × 159,832.23
  4. Step 4: Simplify right side
    282,340.68x = 62,267,329,879.16
  5. Step 5: Solve for x
    x = 62,267,329,879.16/282,340.68
  6. Step 6: Final answer
    x = 220,539.70

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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.