Home / 380,156.20-524,608.82-219,010.84

Finding the Fourth Proportional to 380,156.20, 524,608.82 and 219,010.84

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Solution

The fourth proportional to 380,156.20, 524,608.82 and 219,010.84 is: 302,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,156.20 : 524,608.82 = 219,010.84 : x
  2. Step 2: Convert to fraction form
    380,156.20/524,608.82 = 219,010.84/x
  3. Step 3: Cross multiply
    380,156.20x = 524,608.82 × 219,010.84
  4. Step 4: Simplify right side
    380,156.20x = 114,895,018,339.61
  5. Step 5: Solve for x
    x = 114,895,018,339.61/380,156.20
  6. Step 6: Final answer
    x = 302,231.08

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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.