Home / 318,104.21-438,972.67-174,863.23

Finding the Fourth Proportional to 318,104.21, 438,972.67 and 174,863.23

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Solution

The fourth proportional to 318,104.21, 438,972.67 and 174,863.23 is: 241,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,104.21 : 438,972.67 = 174,863.23 : x
  2. Step 2: Convert to fraction form
    318,104.21/438,972.67 = 174,863.23/x
  3. Step 3: Cross multiply
    318,104.21x = 438,972.67 × 174,863.23
  4. Step 4: Simplify right side
    318,104.21x = 76,760,178,957.92
  5. Step 5: Solve for x
    x = 76,760,178,957.92/318,104.21
  6. Step 6: Final answer
    x = 241,305.13

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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.