Home / 318,073.12-438,941.04-174,832

Finding the Fourth Proportional to 318,073.12, 438,941.04 and 174,832

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Solution

The fourth proportional to 318,073.12, 438,941.04 and 174,832 is: 241,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,073.12 : 438,941.04 = 174,832 : x
  2. Step 2: Convert to fraction form
    318,073.12/438,941.04 = 174,832/x
  3. Step 3: Cross multiply
    318,073.12x = 438,941.04 × 174,832
  4. Step 4: Simplify right side
    318,073.12x = 76,740,939,905.28
  5. Step 5: Solve for x
    x = 76,740,939,905.28/318,073.12
  6. Step 6: Final answer
    x = 241,268.23

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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.