Home / 554,274.42-831,042.38-199,242.30

Finding the Fourth Proportional to 554,274.42, 831,042.38 and 199,242.30

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Solution

The fourth proportional to 554,274.42, 831,042.38 and 199,242.30 is: 298,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,274.42 : 831,042.38 = 199,242.30 : x
  2. Step 2: Convert to fraction form
    554,274.42/831,042.38 = 199,242.30/x
  3. Step 3: Cross multiply
    554,274.42x = 831,042.38 × 199,242.30
  4. Step 4: Simplify right side
    554,274.42x = 165,578,795,188.67
  5. Step 5: Solve for x
    x = 165,578,795,188.67/554,274.42
  6. Step 6: Final answer
    x = 298,730.72

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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.