Home / 318,046.04-438,911.92-174,809.90

Finding the Fourth Proportional to 318,046.04, 438,911.92 and 174,809.90

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Solution

The fourth proportional to 318,046.04, 438,911.92 and 174,809.90 is: 241,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,046.04 : 438,911.92 = 174,809.90 : x
  2. Step 2: Convert to fraction form
    318,046.04/438,911.92 = 174,809.90/x
  3. Step 3: Cross multiply
    318,046.04x = 438,911.92 × 174,809.90
  4. Step 4: Simplify right side
    318,046.04x = 76,726,148,844.01
  5. Step 5: Solve for x
    x = 76,726,148,844.01/318,046.04
  6. Step 6: Final answer
    x = 241,242.27

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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.