Home / 352,621.80-528,969.60-115,982.93

Finding the Fourth Proportional to 352,621.80, 528,969.60 and 115,982.93

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Solution

The fourth proportional to 352,621.80, 528,969.60 and 115,982.93 is: 173,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,621.80 : 528,969.60 = 115,982.93 : x
  2. Step 2: Convert to fraction form
    352,621.80/528,969.60 = 115,982.93/x
  3. Step 3: Cross multiply
    352,621.80x = 528,969.60 × 115,982.93
  4. Step 4: Simplify right side
    352,621.80x = 61,351,444,088.93
  5. Step 5: Solve for x
    x = 61,351,444,088.93/352,621.80
  6. Step 6: Final answer
    x = 173,986.53

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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.