Home / 311,513.24-429,887.86-168,273.25

Finding the Fourth Proportional to 311,513.24, 429,887.86 and 168,273.25

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Solution

The fourth proportional to 311,513.24, 429,887.86 and 168,273.25 is: 232,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,513.24 : 429,887.86 = 168,273.25 : x
  2. Step 2: Convert to fraction form
    311,513.24/429,887.86 = 168,273.25/x
  3. Step 3: Cross multiply
    311,513.24x = 429,887.86 × 168,273.25
  4. Step 4: Simplify right side
    311,513.24x = 72,338,625,842.34
  5. Step 5: Solve for x
    x = 72,338,625,842.34/311,513.24
  6. Step 6: Final answer
    x = 232,216.86

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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.