Home / 380,273.90-524,781.87-210,504.38

Finding the Fourth Proportional to 380,273.90, 524,781.87 and 210,504.38

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Solution

The fourth proportional to 380,273.90, 524,781.87 and 210,504.38 is: 290,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,273.90 : 524,781.87 = 210,504.38 : x
  2. Step 2: Convert to fraction form
    380,273.90/524,781.87 = 210,504.38/x
  3. Step 3: Cross multiply
    380,273.90x = 524,781.87 × 210,504.38
  4. Step 4: Simplify right side
    380,273.90x = 110,468,882,179.59
  5. Step 5: Solve for x
    x = 110,468,882,179.59/380,273.90
  6. Step 6: Final answer
    x = 290,498.20

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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.