Home / 519,829.20-779,670.90-164,879.10

Finding the Fourth Proportional to 519,829.20, 779,670.90 and 164,879.10

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Solution

The fourth proportional to 519,829.20, 779,670.90 and 164,879.10 is: 247,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,829.20 : 779,670.90 = 164,879.10 : x
  2. Step 2: Convert to fraction form
    519,829.20/779,670.90 = 164,879.10/x
  3. Step 3: Cross multiply
    519,829.20x = 779,670.90 × 164,879.10
  4. Step 4: Simplify right side
    519,829.20x = 128,551,436,288.19
  5. Step 5: Solve for x
    x = 128,551,436,288.19/519,829.20
  6. Step 6: Final answer
    x = 247,295.53

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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.