Home / 281,625.57-388,644.12-152,565.35

Finding the Fourth Proportional to 281,625.57, 388,644.12 and 152,565.35

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Solution

The fourth proportional to 281,625.57, 388,644.12 and 152,565.35 is: 210,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,625.57 : 388,644.12 = 152,565.35 : x
  2. Step 2: Convert to fraction form
    281,625.57/388,644.12 = 152,565.35/x
  3. Step 3: Cross multiply
    281,625.57x = 388,644.12 × 152,565.35
  4. Step 4: Simplify right side
    281,625.57x = 59,293,624,250.02
  5. Step 5: Solve for x
    x = 59,293,624,250.02/281,625.57
  6. Step 6: Final answer
    x = 210,540.63

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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.