Home / 380,839.68-525,559.19-211,073.94

Finding the Fourth Proportional to 380,839.68, 525,559.19 and 211,073.94

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Solution

The fourth proportional to 380,839.68, 525,559.19 and 211,073.94 is: 291,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,839.68 : 525,559.19 = 211,073.94 : x
  2. Step 2: Convert to fraction form
    380,839.68/525,559.19 = 211,073.94/x
  3. Step 3: Cross multiply
    380,839.68x = 525,559.19 × 211,073.94
  4. Step 4: Simplify right side
    380,839.68x = 110,931,847,881.14
  5. Step 5: Solve for x
    x = 110,931,847,881.14/380,839.68
  6. Step 6: Final answer
    x = 291,282.27

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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.