Home / 281,727.11-388,782.66-152,669.16

Finding the Fourth Proportional to 281,727.11, 388,782.66 and 152,669.16

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Solution

The fourth proportional to 281,727.11, 388,782.66 and 152,669.16 is: 210,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,727.11 : 388,782.66 = 152,669.16 : x
  2. Step 2: Convert to fraction form
    281,727.11/388,782.66 = 152,669.16/x
  3. Step 3: Cross multiply
    281,727.11x = 388,782.66 × 152,669.16
  4. Step 4: Simplify right side
    281,727.11x = 59,355,121,361.42
  5. Step 5: Solve for x
    x = 59,355,121,361.42/281,727.11
  6. Step 6: Final answer
    x = 210,683.03

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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.