Home / 318,096.29-438,973.36-174,857.21

Finding the Fourth Proportional to 318,096.29, 438,973.36 and 174,857.21

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Solution

The fourth proportional to 318,096.29, 438,973.36 and 174,857.21 is: 241,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,096.29 : 438,973.36 = 174,857.21 : x
  2. Step 2: Convert to fraction form
    318,096.29/438,973.36 = 174,857.21/x
  3. Step 3: Cross multiply
    318,096.29x = 438,973.36 × 174,857.21
  4. Step 4: Simplify right side
    318,096.29x = 76,757,656,008.07
  5. Step 5: Solve for x
    x = 76,757,656,008.07/318,096.29
  6. Step 6: Final answer
    x = 241,303.21

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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.