Home / 578,294.40-867,274.80-199,199.76

Finding the Fourth Proportional to 578,294.40, 867,274.80 and 199,199.76

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Solution

The fourth proportional to 578,294.40, 867,274.80 and 199,199.76 is: 298,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,294.40 : 867,274.80 = 199,199.76 : x
  2. Step 2: Convert to fraction form
    578,294.40/867,274.80 = 199,199.76/x
  3. Step 3: Cross multiply
    578,294.40x = 867,274.80 × 199,199.76
  4. Step 4: Simplify right side
    578,294.40x = 172,760,932,014.05
  5. Step 5: Solve for x
    x = 172,760,932,014.05/578,294.40
  6. Step 6: Final answer
    x = 298,742.18

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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.