Home / 376,019.68-518,835.36-214,925.80

Finding the Fourth Proportional to 376,019.68, 518,835.36 and 214,925.80

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Solution

The fourth proportional to 376,019.68, 518,835.36 and 214,925.80 is: 296,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,019.68 : 518,835.36 = 214,925.80 : x
  2. Step 2: Convert to fraction form
    376,019.68/518,835.36 = 214,925.80/x
  3. Step 3: Cross multiply
    376,019.68x = 518,835.36 × 214,925.80
  4. Step 4: Simplify right side
    376,019.68x = 111,511,104,816.29
  5. Step 5: Solve for x
    x = 111,511,104,816.29/376,019.68
  6. Step 6: Final answer
    x = 296,556.57

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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.