Home / 298,060.48-411,115.26-202,401.10

Finding the Fourth Proportional to 298,060.48, 411,115.26 and 202,401.10

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Solution

The fourth proportional to 298,060.48, 411,115.26 and 202,401.10 is: 279,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,060.48 : 411,115.26 = 202,401.10 : x
  2. Step 2: Convert to fraction form
    298,060.48/411,115.26 = 202,401.10/x
  3. Step 3: Cross multiply
    298,060.48x = 411,115.26 × 202,401.10
  4. Step 4: Simplify right side
    298,060.48x = 83,210,180,850.79
  5. Step 5: Solve for x
    x = 83,210,180,850.79/298,060.48
  6. Step 6: Final answer
    x = 279,172.14

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1.5x scale

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.