Home / 380,004.41-524,402.20-210,239.75

Finding the Fourth Proportional to 380,004.41, 524,402.20 and 210,239.75

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Solution

The fourth proportional to 380,004.41, 524,402.20 and 210,239.75 is: 290,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,004.41 : 524,402.20 = 210,239.75 : x
  2. Step 2: Convert to fraction form
    380,004.41/524,402.20 = 210,239.75/x
  3. Step 3: Cross multiply
    380,004.41x = 524,402.20 × 210,239.75
  4. Step 4: Simplify right side
    380,004.41x = 110,250,189,001.26
  5. Step 5: Solve for x
    x = 110,250,189,001.26/380,004.41
  6. Step 6: Final answer
    x = 290,128.71

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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.