Home / 326,027.60-489,329.40-192,741.20

Finding the Fourth Proportional to 326,027.60, 489,329.40 and 192,741.20

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Solution

The fourth proportional to 326,027.60, 489,329.40 and 192,741.20 is: 289,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,027.60 : 489,329.40 = 192,741.20 : x
  2. Step 2: Convert to fraction form
    326,027.60/489,329.40 = 192,741.20/x
  3. Step 3: Cross multiply
    326,027.60x = 489,329.40 × 192,741.20
  4. Step 4: Simplify right side
    326,027.60x = 94,313,935,751.28
  5. Step 5: Solve for x
    x = 94,313,935,751.28/326,027.60
  6. Step 6: Final answer
    x = 289,282.06

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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.