Home / 310,299.06-428,230.96-233,682.98

Finding the Fourth Proportional to 310,299.06, 428,230.96 and 233,682.98

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Solution

The fourth proportional to 310,299.06, 428,230.96 and 233,682.98 is: 322,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,299.06 : 428,230.96 = 233,682.98 : x
  2. Step 2: Convert to fraction form
    310,299.06/428,230.96 = 233,682.98/x
  3. Step 3: Cross multiply
    310,299.06x = 428,230.96 × 233,682.98
  4. Step 4: Simplify right side
    310,299.06x = 100,070,286,861.06
  5. Step 5: Solve for x
    x = 100,070,286,861.06/310,299.06
  6. Step 6: Final answer
    x = 322,496.26

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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.