Home / 551,082.40-826,623.60-235,571.20

Finding the Fourth Proportional to 551,082.40, 826,623.60 and 235,571.20

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Solution

The fourth proportional to 551,082.40, 826,623.60 and 235,571.20 is: 353,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,082.40 : 826,623.60 = 235,571.20 : x
  2. Step 2: Convert to fraction form
    551,082.40/826,623.60 = 235,571.20/x
  3. Step 3: Cross multiply
    551,082.40x = 826,623.60 × 235,571.20
  4. Step 4: Simplify right side
    551,082.40x = 194,728,713,400.32
  5. Step 5: Solve for x
    x = 194,728,713,400.32/551,082.40
  6. Step 6: Final answer
    x = 353,356.80

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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.