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Finding the Fourth Proportional to 636,992.02, 955,521.51 and 163,680.58

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Solution

The fourth proportional to 636,992.02, 955,521.51 and 163,680.58 is: 245,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,992.02 : 955,521.51 = 163,680.58 : x
  2. Step 2: Convert to fraction form
    636,992.02/955,521.51 = 163,680.58/x
  3. Step 3: Cross multiply
    636,992.02x = 955,521.51 × 163,680.58
  4. Step 4: Simplify right side
    636,992.02x = 156,400,314,959.28
  5. Step 5: Solve for x
    x = 156,400,314,959.28/636,992.02
  6. Step 6: Final answer
    x = 245,529.47

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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.