Home / 326,850.14-490,261.84-90,186.77

Finding the Fourth Proportional to 326,850.14, 490,261.84 and 90,186.77

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Solution

The fourth proportional to 326,850.14, 490,261.84 and 90,186.77 is: 135,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,850.14 : 490,261.84 = 90,186.77 : x
  2. Step 2: Convert to fraction form
    326,850.14/490,261.84 = 90,186.77/x
  3. Step 3: Cross multiply
    326,850.14x = 490,261.84 × 90,186.77
  4. Step 4: Simplify right side
    326,850.14x = 44,215,130,299.97
  5. Step 5: Solve for x
    x = 44,215,130,299.97/326,850.14
  6. Step 6: Final answer
    x = 135,276.46

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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.