Home / 578,301.86-867,237.03-199,115.46

Finding the Fourth Proportional to 578,301.86, 867,237.03 and 199,115.46

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Solution

The fourth proportional to 578,301.86, 867,237.03 and 199,115.46 is: 298,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,301.86 : 867,237.03 = 199,115.46 : x
  2. Step 2: Convert to fraction form
    578,301.86/867,237.03 = 199,115.46/x
  3. Step 3: Cross multiply
    578,301.86x = 867,237.03 × 199,115.46
  4. Step 4: Simplify right side
    578,301.86x = 172,680,300,157.48
  5. Step 5: Solve for x
    x = 172,680,300,157.48/578,301.86
  6. Step 6: Final answer
    x = 298,598.90

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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.