Home / 282,766.77-390,218.22-161,948.16

Finding the Fourth Proportional to 282,766.77, 390,218.22 and 161,948.16

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Solution

The fourth proportional to 282,766.77, 390,218.22 and 161,948.16 is: 223,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,766.77 : 390,218.22 = 161,948.16 : x
  2. Step 2: Convert to fraction form
    282,766.77/390,218.22 = 161,948.16/x
  3. Step 3: Cross multiply
    282,766.77x = 390,218.22 × 161,948.16
  4. Step 4: Simplify right side
    282,766.77x = 63,195,122,727.48
  5. Step 5: Solve for x
    x = 63,195,122,727.48/282,766.77
  6. Step 6: Final answer
    x = 223,488.51

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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.