Home / 268,217.81-370,144.66-147,361.45

Finding the Fourth Proportional to 268,217.81, 370,144.66 and 147,361.45

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Solution

The fourth proportional to 268,217.81, 370,144.66 and 147,361.45 is: 203,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,217.81 : 370,144.66 = 147,361.45 : x
  2. Step 2: Convert to fraction form
    268,217.81/370,144.66 = 147,361.45/x
  3. Step 3: Cross multiply
    268,217.81x = 370,144.66 × 147,361.45
  4. Step 4: Simplify right side
    268,217.81x = 54,545,053,807.36
  5. Step 5: Solve for x
    x = 54,545,053,807.36/268,217.81
  6. Step 6: Final answer
    x = 203,361.05

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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.