Home / 386,282.16-579,680.28-158,764.37

Finding the Fourth Proportional to 386,282.16, 579,680.28 and 158,764.37

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Solution

The fourth proportional to 386,282.16, 579,680.28 and 158,764.37 is: 238,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,282.16 : 579,680.28 = 158,764.37 : x
  2. Step 2: Convert to fraction form
    386,282.16/579,680.28 = 158,764.37/x
  3. Step 3: Cross multiply
    386,282.16x = 579,680.28 × 158,764.37
  4. Step 4: Simplify right side
    386,282.16x = 92,032,571,557.22
  5. Step 5: Solve for x
    x = 92,032,571,557.22/386,282.16
  6. Step 6: Final answer
    x = 238,252.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.