Home / 287,562.65-396,838.03-166,775.55

Finding the Fourth Proportional to 287,562.65, 396,838.03 and 166,775.55

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Solution

The fourth proportional to 287,562.65, 396,838.03 and 166,775.55 is: 230,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,562.65 : 396,838.03 = 166,775.55 : x
  2. Step 2: Convert to fraction form
    287,562.65/396,838.03 = 166,775.55/x
  3. Step 3: Cross multiply
    287,562.65x = 396,838.03 × 166,775.55
  4. Step 4: Simplify right side
    287,562.65x = 66,182,882,410.78
  5. Step 5: Solve for x
    x = 66,182,882,410.78/287,562.65
  6. Step 6: Final answer
    x = 230,151.18

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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.