Home / 281,548.12-388,389.10-174,083.80

Finding the Fourth Proportional to 281,548.12, 388,389.10 and 174,083.80

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Solution

The fourth proportional to 281,548.12, 388,389.10 and 174,083.80 is: 240,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,548.12 : 388,389.10 = 174,083.80 : x
  2. Step 2: Convert to fraction form
    281,548.12/388,389.10 = 174,083.80/x
  3. Step 3: Cross multiply
    281,548.12x = 388,389.10 × 174,083.80
  4. Step 4: Simplify right side
    281,548.12x = 67,612,250,406.58
  5. Step 5: Solve for x
    x = 67,612,250,406.58/281,548.12
  6. Step 6: Final answer
    x = 240,144.56

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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.