Home / 314,288.28-471,354.30-89,650.67

Finding the Fourth Proportional to 314,288.28, 471,354.30 and 89,650.67

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Solution

The fourth proportional to 314,288.28, 471,354.30 and 89,650.67 is: 134,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,288.28 : 471,354.30 = 89,650.67 : x
  2. Step 2: Convert to fraction form
    314,288.28/471,354.30 = 89,650.67/x
  3. Step 3: Cross multiply
    314,288.28x = 471,354.30 × 89,650.67
  4. Step 4: Simplify right side
    314,288.28x = 42,257,226,445.61
  5. Step 5: Solve for x
    x = 42,257,226,445.61/314,288.28
  6. Step 6: Final answer
    x = 134,453.71

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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.