Home / 326,614.04-489,795.07-126,908.13

Finding the Fourth Proportional to 326,614.04, 489,795.07 and 126,908.13

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Solution

The fourth proportional to 326,614.04, 489,795.07 and 126,908.13 is: 190,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,614.04 : 489,795.07 = 126,908.13 : x
  2. Step 2: Convert to fraction form
    326,614.04/489,795.07 = 126,908.13/x
  3. Step 3: Cross multiply
    326,614.04x = 489,795.07 × 126,908.13
  4. Step 4: Simplify right side
    326,614.04x = 62,158,976,416.92
  5. Step 5: Solve for x
    x = 62,158,976,416.92/326,614.04
  6. Step 6: Final answer
    x = 190,313.24

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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.