Home / 409,739.90-565,240.05-273,807.22

Finding the Fourth Proportional to 409,739.90, 565,240.05 and 273,807.22

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Solution

The fourth proportional to 409,739.90, 565,240.05 and 273,807.22 is: 377,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,739.90 : 565,240.05 = 273,807.22 : x
  2. Step 2: Convert to fraction form
    409,739.90/565,240.05 = 273,807.22/x
  3. Step 3: Cross multiply
    409,739.90x = 565,240.05 × 273,807.22
  4. Step 4: Simplify right side
    409,739.90x = 154,766,806,723.16
  5. Step 5: Solve for x
    x = 154,766,806,723.16/409,739.90
  6. Step 6: Final answer
    x = 377,719.64

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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.