Home / 311,513.18-429,887.93-168,273.18

Finding the Fourth Proportional to 311,513.18, 429,887.93 and 168,273.18

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Solution

The fourth proportional to 311,513.18, 429,887.93 and 168,273.18 is: 232,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,513.18 : 429,887.93 = 168,273.18 : x
  2. Step 2: Convert to fraction form
    311,513.18/429,887.93 = 168,273.18/x
  3. Step 3: Cross multiply
    311,513.18x = 429,887.93 × 168,273.18
  4. Step 4: Simplify right side
    311,513.18x = 72,338,608,183.35
  5. Step 5: Solve for x
    x = 72,338,608,183.35/311,513.18
  6. Step 6: Final answer
    x = 232,216.85

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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.