Home / 385,007.05-577,608.99-148,286.17

Finding the Fourth Proportional to 385,007.05, 577,608.99 and 148,286.17

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Solution

The fourth proportional to 385,007.05, 577,608.99 and 148,286.17 is: 222,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,007.05 : 577,608.99 = 148,286.17 : x
  2. Step 2: Convert to fraction form
    385,007.05/577,608.99 = 148,286.17/x
  3. Step 3: Cross multiply
    385,007.05x = 577,608.99 × 148,286.17
  4. Step 4: Simplify right side
    385,007.05x = 85,651,424,884.67
  5. Step 5: Solve for x
    x = 85,651,424,884.67/385,007.05
  6. Step 6: Final answer
    x = 222,467.16

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1.5x scale

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.