Home / 326,090.60-489,139.06-123,632.26

Finding the Fourth Proportional to 326,090.60, 489,139.06 and 123,632.26

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Solution

The fourth proportional to 326,090.60, 489,139.06 and 123,632.26 is: 185,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,090.60 : 489,139.06 = 123,632.26 : x
  2. Step 2: Convert to fraction form
    326,090.60/489,139.06 = 123,632.26/x
  3. Step 3: Cross multiply
    326,090.60x = 489,139.06 × 123,632.26
  4. Step 4: Simplify right side
    326,090.60x = 60,473,367,442.08
  5. Step 5: Solve for x
    x = 60,473,367,442.08/326,090.60
  6. Step 6: Final answer
    x = 185,449.59

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1.5x scale

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.