Home / 328,352.27-492,556.35-103,652.60

Finding the Fourth Proportional to 328,352.27, 492,556.35 and 103,652.60

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Solution

The fourth proportional to 328,352.27, 492,556.35 and 103,652.60 is: 155,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,352.27 : 492,556.35 = 103,652.60 : x
  2. Step 2: Convert to fraction form
    328,352.27/492,556.35 = 103,652.60/x
  3. Step 3: Cross multiply
    328,352.27x = 492,556.35 × 103,652.60
  4. Step 4: Simplify right side
    328,352.27x = 51,054,746,324.01
  5. Step 5: Solve for x
    x = 51,054,746,324.01/328,352.27
  6. Step 6: Final answer
    x = 155,487.72

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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.