Home / 228,810.23-315,408.12-160,635.95

Finding the Fourth Proportional to 228,810.23, 315,408.12 and 160,635.95

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Solution

The fourth proportional to 228,810.23, 315,408.12 and 160,635.95 is: 221,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,810.23 : 315,408.12 = 160,635.95 : x
  2. Step 2: Convert to fraction form
    228,810.23/315,408.12 = 160,635.95/x
  3. Step 3: Cross multiply
    228,810.23x = 315,408.12 × 160,635.95
  4. Step 4: Simplify right side
    228,810.23x = 50,665,882,993.91
  5. Step 5: Solve for x
    x = 50,665,882,993.91/228,810.23
  6. Step 6: Final answer
    x = 221,431.90

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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.