Home / 578,293.98-867,274.50-199,199.40

Finding the Fourth Proportional to 578,293.98, 867,274.50 and 199,199.40

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Solution

The fourth proportional to 578,293.98, 867,274.50 and 199,199.40 is: 298,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,293.98 : 867,274.50 = 199,199.40 : x
  2. Step 2: Convert to fraction form
    578,293.98/867,274.50 = 199,199.40/x
  3. Step 3: Cross multiply
    578,293.98x = 867,274.50 × 199,199.40
  4. Step 4: Simplify right side
    578,293.98x = 172,760,560,035.30
  5. Step 5: Solve for x
    x = 172,760,560,035.30/578,293.98
  6. Step 6: Final answer
    x = 298,741.76

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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.