Home / 287,130.18-396,233.73-179,759.28

Finding the Fourth Proportional to 287,130.18, 396,233.73 and 179,759.28

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Solution

The fourth proportional to 287,130.18, 396,233.73 and 179,759.28 is: 248,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,130.18 : 396,233.73 = 179,759.28 : x
  2. Step 2: Convert to fraction form
    287,130.18/396,233.73 = 179,759.28/x
  3. Step 3: Cross multiply
    287,130.18x = 396,233.73 × 179,759.28
  4. Step 4: Simplify right side
    287,130.18x = 71,226,690,016.51
  5. Step 5: Solve for x
    x = 71,226,690,016.51/287,130.18
  6. Step 6: Final answer
    x = 248,064.10

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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.