Home / 303,635.20-455,401.60-93,216

Finding the Fourth Proportional to 303,635.20, 455,401.60 and 93,216

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Solution

The fourth proportional to 303,635.20, 455,401.60 and 93,216 is: 139,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,635.20 : 455,401.60 = 93,216 : x
  2. Step 2: Convert to fraction form
    303,635.20/455,401.60 = 93,216/x
  3. Step 3: Cross multiply
    303,635.20x = 455,401.60 × 93,216
  4. Step 4: Simplify right side
    303,635.20x = 42,450,715,545.60
  5. Step 5: Solve for x
    x = 42,450,715,545.60/303,635.20
  6. Step 6: Final answer
    x = 139,808.28

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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.