Home / 311,723.37-430,169.60-175,756.11

Finding the Fourth Proportional to 311,723.37, 430,169.60 and 175,756.11

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Solution

The fourth proportional to 311,723.37, 430,169.60 and 175,756.11 is: 242,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,723.37 : 430,169.60 = 175,756.11 : x
  2. Step 2: Convert to fraction form
    311,723.37/430,169.60 = 175,756.11/x
  3. Step 3: Cross multiply
    311,723.37x = 430,169.60 × 175,756.11
  4. Step 4: Simplify right side
    311,723.37x = 75,604,934,657.48
  5. Step 5: Solve for x
    x = 75,604,934,657.48/311,723.37
  6. Step 6: Final answer
    x = 242,538.55

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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.