Home / 281,396.26-388,323.89-152,331.84

Finding the Fourth Proportional to 281,396.26, 388,323.89 and 152,331.84

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Solution

The fourth proportional to 281,396.26, 388,323.89 and 152,331.84 is: 210,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,396.26 : 388,323.89 = 152,331.84 : x
  2. Step 2: Convert to fraction form
    281,396.26/388,323.89 = 152,331.84/x
  3. Step 3: Cross multiply
    281,396.26x = 388,323.89 × 152,331.84
  4. Step 4: Simplify right side
    281,396.26x = 59,154,092,489.24
  5. Step 5: Solve for x
    x = 59,154,092,489.24/281,396.26
  6. Step 6: Final answer
    x = 210,216.34

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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.