Home / 281,441.19-388,391.90-152,382.35

Finding the Fourth Proportional to 281,441.19, 388,391.90 and 152,382.35

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Solution

The fourth proportional to 281,441.19, 388,391.90 and 152,382.35 is: 210,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,441.19 : 388,391.90 = 152,382.35 : x
  2. Step 2: Convert to fraction form
    281,441.19/388,391.90 = 152,382.35/x
  3. Step 3: Cross multiply
    281,441.19x = 388,391.90 × 152,382.35
  4. Step 4: Simplify right side
    281,441.19x = 59,184,067,739.09
  5. Step 5: Solve for x
    x = 59,184,067,739.09/281,441.19
  6. Step 6: Final answer
    x = 210,289.29

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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.