Home / 405,246.24-608,044.32-218,220.48

Finding the Fourth Proportional to 405,246.24, 608,044.32 and 218,220.48

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Solution

The fourth proportional to 405,246.24, 608,044.32 and 218,220.48 is: 327,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,246.24 : 608,044.32 = 218,220.48 : x
  2. Step 2: Convert to fraction form
    405,246.24/608,044.32 = 218,220.48/x
  3. Step 3: Cross multiply
    405,246.24x = 608,044.32 × 218,220.48
  4. Step 4: Simplify right side
    405,246.24x = 132,687,723,371.67
  5. Step 5: Solve for x
    x = 132,687,723,371.67/405,246.24
  6. Step 6: Final answer
    x = 327,424.93

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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.