Home / 287,172.24-396,291.18-179,801.52

Finding the Fourth Proportional to 287,172.24, 396,291.18 and 179,801.52

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Solution

The fourth proportional to 287,172.24, 396,291.18 and 179,801.52 is: 248,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,172.24 : 396,291.18 = 179,801.52 : x
  2. Step 2: Convert to fraction form
    287,172.24/396,291.18 = 179,801.52/x
  3. Step 3: Cross multiply
    287,172.24x = 396,291.18 × 179,801.52
  4. Step 4: Simplify right side
    287,172.24x = 71,253,756,526.59
  5. Step 5: Solve for x
    x = 71,253,756,526.59/287,172.24
  6. Step 6: Final answer
    x = 248,122.02

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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.