Home / 326,623.92-489,080.52-213,949.68

Finding the Fourth Proportional to 326,623.92, 489,080.52 and 213,949.68

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Solution

The fourth proportional to 326,623.92, 489,080.52 and 213,949.68 is: 320,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,623.92 : 489,080.52 = 213,949.68 : x
  2. Step 2: Convert to fraction form
    326,623.92/489,080.52 = 213,949.68/x
  3. Step 3: Cross multiply
    326,623.92x = 489,080.52 × 213,949.68
  4. Step 4: Simplify right side
    326,623.92x = 104,638,620,748.23
  5. Step 5: Solve for x
    x = 104,638,620,748.23/326,623.92
  6. Step 6: Final answer
    x = 320,364.23

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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.