Home / 349,561.12-523,525.20-321,334.24

Finding the Fourth Proportional to 349,561.12, 523,525.20 and 321,334.24

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Solution

The fourth proportional to 349,561.12, 523,525.20 and 321,334.24 is: 481,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,561.12 : 523,525.20 = 321,334.24 : x
  2. Step 2: Convert to fraction form
    349,561.12/523,525.20 = 321,334.24/x
  3. Step 3: Cross multiply
    349,561.12x = 523,525.20 × 321,334.24
  4. Step 4: Simplify right side
    349,561.12x = 168,226,572,262.85
  5. Step 5: Solve for x
    x = 168,226,572,262.85/349,561.12
  6. Step 6: Final answer
    x = 481,250.81

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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.