Home / 311,066.28-429,272.33-175,102.31

Finding the Fourth Proportional to 311,066.28, 429,272.33 and 175,102.31

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Solution

The fourth proportional to 311,066.28, 429,272.33 and 175,102.31 is: 241,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,066.28 : 429,272.33 = 175,102.31 : x
  2. Step 2: Convert to fraction form
    311,066.28/429,272.33 = 175,102.31/x
  3. Step 3: Cross multiply
    311,066.28x = 429,272.33 × 175,102.31
  4. Step 4: Simplify right side
    311,066.28x = 75,166,576,799.75
  5. Step 5: Solve for x
    x = 75,166,576,799.75/311,066.28
  6. Step 6: Final answer
    x = 241,641.67

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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.