Home / 285,069.47-427,154.07-231,500.76

Finding the Fourth Proportional to 285,069.47, 427,154.07 and 231,500.76

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Solution

The fourth proportional to 285,069.47, 427,154.07 and 231,500.76 is: 346,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,069.47 : 427,154.07 = 231,500.76 : x
  2. Step 2: Convert to fraction form
    285,069.47/427,154.07 = 231,500.76/x
  3. Step 3: Cross multiply
    285,069.47x = 427,154.07 × 231,500.76
  4. Step 4: Simplify right side
    285,069.47x = 98,886,491,842.09
  5. Step 5: Solve for x
    x = 98,886,491,842.09/285,069.47
  6. Step 6: Final answer
    x = 346,885.59

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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.