Home / 408,823.50-564,185.07-229,975.50

Finding the Fourth Proportional to 408,823.50, 564,185.07 and 229,975.50

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Solution

The fourth proportional to 408,823.50, 564,185.07 and 229,975.50 is: 317,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,823.50 : 564,185.07 = 229,975.50 : x
  2. Step 2: Convert to fraction form
    408,823.50/564,185.07 = 229,975.50/x
  3. Step 3: Cross multiply
    408,823.50x = 564,185.07 × 229,975.50
  4. Step 4: Simplify right side
    408,823.50x = 129,748,743,565.79
  5. Step 5: Solve for x
    x = 129,748,743,565.79/408,823.50
  6. Step 6: Final answer
    x = 317,371.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.