Home / 311,028.86-429,233.50-175,071.60

Finding the Fourth Proportional to 311,028.86, 429,233.50 and 175,071.60

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Solution

The fourth proportional to 311,028.86, 429,233.50 and 175,071.60 is: 241,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,028.86 : 429,233.50 = 175,071.60 : x
  2. Step 2: Convert to fraction form
    311,028.86/429,233.50 = 175,071.60/x
  3. Step 3: Cross multiply
    311,028.86x = 429,233.50 × 175,071.60
  4. Step 4: Simplify right side
    311,028.86x = 75,146,595,618.60
  5. Step 5: Solve for x
    x = 75,146,595,618.60/311,028.86
  6. Step 6: Final answer
    x = 241,606.50

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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.