Home / 318,004.32-477,028.56-107,571.12

Finding the Fourth Proportional to 318,004.32, 477,028.56 and 107,571.12

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Solution

The fourth proportional to 318,004.32, 477,028.56 and 107,571.12 is: 161,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,004.32 : 477,028.56 = 107,571.12 : x
  2. Step 2: Convert to fraction form
    318,004.32/477,028.56 = 107,571.12/x
  3. Step 3: Cross multiply
    318,004.32x = 477,028.56 × 107,571.12
  4. Step 4: Simplify right side
    318,004.32x = 51,314,496,471.19
  5. Step 5: Solve for x
    x = 51,314,496,471.19/318,004.32
  6. Step 6: Final answer
    x = 161,364.15

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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.