Home / 287,436.12-396,665.97-164,948.46

Finding the Fourth Proportional to 287,436.12, 396,665.97 and 164,948.46

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Solution

The fourth proportional to 287,436.12, 396,665.97 and 164,948.46 is: 227,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,436.12 : 396,665.97 = 164,948.46 : x
  2. Step 2: Convert to fraction form
    287,436.12/396,665.97 = 164,948.46/x
  3. Step 3: Cross multiply
    287,436.12x = 396,665.97 × 164,948.46
  4. Step 4: Simplify right side
    287,436.12x = 65,429,440,885.91
  5. Step 5: Solve for x
    x = 65,429,440,885.91/287,436.12
  6. Step 6: Final answer
    x = 227,631.24

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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.