Home / 318,111.26-438,994.02-174,872.18

Finding the Fourth Proportional to 318,111.26, 438,994.02 and 174,872.18

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Solution

The fourth proportional to 318,111.26, 438,994.02 and 174,872.18 is: 241,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,111.26 : 438,994.02 = 174,872.18 : x
  2. Step 2: Convert to fraction form
    318,111.26/438,994.02 = 174,872.18/x
  3. Step 3: Cross multiply
    318,111.26x = 438,994.02 × 174,872.18
  4. Step 4: Simplify right side
    318,111.26x = 76,767,841,284.36
  5. Step 5: Solve for x
    x = 76,767,841,284.36/318,111.26
  6. Step 6: Final answer
    x = 241,323.87

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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.