Home / 490,172.05-676,423.92-272,375.10

Finding the Fourth Proportional to 490,172.05, 676,423.92 and 272,375.10

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Solution

The fourth proportional to 490,172.05, 676,423.92 and 272,375.10 is: 375,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,172.05 : 676,423.92 = 272,375.10 : x
  2. Step 2: Convert to fraction form
    490,172.05/676,423.92 = 272,375.10/x
  3. Step 3: Cross multiply
    490,172.05x = 676,423.92 × 272,375.10
  4. Step 4: Simplify right side
    490,172.05x = 184,241,032,852.39
  5. Step 5: Solve for x
    x = 184,241,032,852.39/490,172.05
  6. Step 6: Final answer
    x = 375,870.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.