Home / 519,331.23-778,876.56-164,279.07

Finding the Fourth Proportional to 519,331.23, 778,876.56 and 164,279.07

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Solution

The fourth proportional to 519,331.23, 778,876.56 and 164,279.07 is: 246,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,331.23 : 778,876.56 = 164,279.07 : x
  2. Step 2: Convert to fraction form
    519,331.23/778,876.56 = 164,279.07/x
  3. Step 3: Cross multiply
    519,331.23x = 778,876.56 × 164,279.07
  4. Step 4: Simplify right side
    519,331.23x = 127,953,116,921.60
  5. Step 5: Solve for x
    x = 127,953,116,921.60/519,331.23
  6. Step 6: Final answer
    x = 246,380.56

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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.