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Finding the Fourth Proportional to 283,224.76, 390,713.52 and 175,919.56

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Solution

The fourth proportional to 283,224.76, 390,713.52 and 175,919.56 is: 242,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,224.76 : 390,713.52 = 175,919.56 : x
  2. Step 2: Convert to fraction form
    283,224.76/390,713.52 = 175,919.56/x
  3. Step 3: Cross multiply
    283,224.76x = 390,713.52 × 175,919.56
  4. Step 4: Simplify right side
    283,224.76x = 68,734,150,524.45
  5. Step 5: Solve for x
    x = 68,734,150,524.45/283,224.76
  6. Step 6: Final answer
    x = 242,684.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.