Home / 409,399.34-565,205.52-273,663.18

Finding the Fourth Proportional to 409,399.34, 565,205.52 and 273,663.18

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Solution

The fourth proportional to 409,399.34, 565,205.52 and 273,663.18 is: 377,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,399.34 : 565,205.52 = 273,663.18 : x
  2. Step 2: Convert to fraction form
    409,399.34/565,205.52 = 273,663.18/x
  3. Step 3: Cross multiply
    409,399.34x = 565,205.52 × 273,663.18
  4. Step 4: Simplify right side
    409,399.34x = 154,675,939,956.75
  5. Step 5: Solve for x
    x = 154,675,939,956.75/409,399.34
  6. Step 6: Final answer
    x = 377,811.90

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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.