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Finding the Fourth Proportional to 230,744.34, 318,427.02 and 130,142.34

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Solution

The fourth proportional to 230,744.34, 318,427.02 and 130,142.34 is: 179,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,744.34 : 318,427.02 = 130,142.34 : x
  2. Step 2: Convert to fraction form
    230,744.34/318,427.02 = 130,142.34/x
  3. Step 3: Cross multiply
    230,744.34x = 318,427.02 × 130,142.34
  4. Step 4: Simplify right side
    230,744.34x = 41,440,837,502.03
  5. Step 5: Solve for x
    x = 41,440,837,502.03/230,744.34
  6. Step 6: Final answer
    x = 179,596.33

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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.