Home / 360,973.39-498,378.29-231,961.57

Finding the Fourth Proportional to 360,973.39, 498,378.29 and 231,961.57

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Solution

The fourth proportional to 360,973.39, 498,378.29 and 231,961.57 is: 320,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,973.39 : 498,378.29 = 231,961.57 : x
  2. Step 2: Convert to fraction form
    360,973.39/498,378.29 = 231,961.57/x
  3. Step 3: Cross multiply
    360,973.39x = 498,378.29 × 231,961.57
  4. Step 4: Simplify right side
    360,973.39x = 115,604,610,999.94
  5. Step 5: Solve for x
    x = 115,604,610,999.94/360,973.39
  6. Step 6: Final answer
    x = 320,257.99

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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.