Home / 405,247.24-608,045.82-218,221.48

Finding the Fourth Proportional to 405,247.24, 608,045.82 and 218,221.48

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Solution

The fourth proportional to 405,247.24, 608,045.82 and 218,221.48 is: 327,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,247.24 : 608,045.82 = 218,221.48 : x
  2. Step 2: Convert to fraction form
    405,247.24/608,045.82 = 218,221.48/x
  3. Step 3: Cross multiply
    405,247.24x = 608,045.82 × 218,221.48
  4. Step 4: Simplify right side
    405,247.24x = 132,688,658,748.21
  5. Step 5: Solve for x
    x = 132,688,658,748.21/405,247.24
  6. Step 6: Final answer
    x = 327,426.43

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1.5x scale

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.