Home / 255,074.90-382,087.32-149,639.62

Finding the Fourth Proportional to 255,074.90, 382,087.32 and 149,639.62

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Solution

The fourth proportional to 255,074.90, 382,087.32 and 149,639.62 is: 224,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,074.90 : 382,087.32 = 149,639.62 : x
  2. Step 2: Convert to fraction form
    255,074.90/382,087.32 = 149,639.62/x
  3. Step 3: Cross multiply
    255,074.90x = 382,087.32 × 149,639.62
  4. Step 4: Simplify right side
    255,074.90x = 57,175,401,371.62
  5. Step 5: Solve for x
    x = 57,175,401,371.62/255,074.90
  6. Step 6: Final answer
    x = 224,151.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.