Home / 380,132.82-524,583.29-210,377.88

Finding the Fourth Proportional to 380,132.82, 524,583.29 and 210,377.88

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Solution

The fourth proportional to 380,132.82, 524,583.29 and 210,377.88 is: 290,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,132.82 : 524,583.29 = 210,377.88 : x
  2. Step 2: Convert to fraction form
    380,132.82/524,583.29 = 210,377.88/x
  3. Step 3: Cross multiply
    380,132.82x = 524,583.29 × 210,377.88
  4. Step 4: Simplify right side
    380,132.82x = 110,360,719,381.74
  5. Step 5: Solve for x
    x = 110,360,719,381.74/380,132.82
  6. Step 6: Final answer
    x = 290,321.47

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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.