Home / 528,081.20-792,316.20-173,106.80

Finding the Fourth Proportional to 528,081.20, 792,316.20 and 173,106.80

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Solution

The fourth proportional to 528,081.20, 792,316.20 and 173,106.80 is: 259,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,081.20 : 792,316.20 = 173,106.80 : x
  2. Step 2: Convert to fraction form
    528,081.20/792,316.20 = 173,106.80/x
  3. Step 3: Cross multiply
    528,081.20x = 792,316.20 × 173,106.80
  4. Step 4: Simplify right side
    528,081.20x = 137,155,321,970.16
  5. Step 5: Solve for x
    x = 137,155,321,970.16/528,081.20
  6. Step 6: Final answer
    x = 259,723.92

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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.