Home / 309,628.85-464,433.55-88,012.85

Finding the Fourth Proportional to 309,628.85, 464,433.55 and 88,012.85

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Solution

The fourth proportional to 309,628.85, 464,433.55 and 88,012.85 is: 132,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,628.85 : 464,433.55 = 88,012.85 : x
  2. Step 2: Convert to fraction form
    309,628.85/464,433.55 = 88,012.85/x
  3. Step 3: Cross multiply
    309,628.85x = 464,433.55 × 88,012.85
  4. Step 4: Simplify right side
    309,628.85x = 40,876,117,828.92
  5. Step 5: Solve for x
    x = 40,876,117,828.92/309,628.85
  6. Step 6: Final answer
    x = 132,016.50

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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.