Home / 381,061.20-525,871.67-208,968.26

Finding the Fourth Proportional to 381,061.20, 525,871.67 and 208,968.26

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Solution

The fourth proportional to 381,061.20, 525,871.67 and 208,968.26 is: 288,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,061.20 : 525,871.67 = 208,968.26 : x
  2. Step 2: Convert to fraction form
    381,061.20/525,871.67 = 208,968.26/x
  3. Step 3: Cross multiply
    381,061.20x = 525,871.67 × 208,968.26
  4. Step 4: Simplify right side
    381,061.20x = 109,890,488,322.47
  5. Step 5: Solve for x
    x = 109,890,488,322.47/381,061.20
  6. Step 6: Final answer
    x = 288,380.16

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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.