Home / 281,444.15-388,392.41-152,382.60

Finding the Fourth Proportional to 281,444.15, 388,392.41 and 152,382.60

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Solution

The fourth proportional to 281,444.15, 388,392.41 and 152,382.60 is: 210,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,444.15 : 388,392.41 = 152,382.60 : x
  2. Step 2: Convert to fraction form
    281,444.15/388,392.41 = 152,382.60/x
  3. Step 3: Cross multiply
    281,444.15x = 388,392.41 × 152,382.60
  4. Step 4: Simplify right side
    281,444.15x = 59,184,245,637.02
  5. Step 5: Solve for x
    x = 59,184,245,637.02/281,444.15
  6. Step 6: Final answer
    x = 210,287.71

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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.