Home / 518,138.02-777,234.77-163,179.68

Finding the Fourth Proportional to 518,138.02, 777,234.77 and 163,179.68

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Solution

The fourth proportional to 518,138.02, 777,234.77 and 163,179.68 is: 244,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,138.02 : 777,234.77 = 163,179.68 : x
  2. Step 2: Convert to fraction form
    518,138.02/777,234.77 = 163,179.68/x
  3. Step 3: Cross multiply
    518,138.02x = 777,234.77 × 163,179.68
  4. Step 4: Simplify right side
    518,138.02x = 126,828,920,237.58
  5. Step 5: Solve for x
    x = 126,828,920,237.58/518,138.02
  6. Step 6: Final answer
    x = 244,778.25

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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.