Home / 287,192.48-396,448.14-204,459.80

Finding the Fourth Proportional to 287,192.48, 396,448.14 and 204,459.80

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Solution

The fourth proportional to 287,192.48, 396,448.14 and 204,459.80 is: 282,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,192.48 : 396,448.14 = 204,459.80 : x
  2. Step 2: Convert to fraction form
    287,192.48/396,448.14 = 204,459.80/x
  3. Step 3: Cross multiply
    287,192.48x = 396,448.14 × 204,459.80
  4. Step 4: Simplify right side
    287,192.48x = 81,057,707,414.77
  5. Step 5: Solve for x
    x = 81,057,707,414.77/287,192.48
  6. Step 6: Final answer
    x = 282,241.75

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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.