Home / 268,417.21-402,330.56-110,559.55

Finding the Fourth Proportional to 268,417.21, 402,330.56 and 110,559.55

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Solution

The fourth proportional to 268,417.21, 402,330.56 and 110,559.55 is: 165,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,417.21 : 402,330.56 = 110,559.55 : x
  2. Step 2: Convert to fraction form
    268,417.21/402,330.56 = 110,559.55/x
  3. Step 3: Cross multiply
    268,417.21x = 402,330.56 × 110,559.55
  4. Step 4: Simplify right side
    268,417.21x = 44,481,485,482.49
  5. Step 5: Solve for x
    x = 44,481,485,482.49/268,417.21
  6. Step 6: Final answer
    x = 165,717.71

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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.