Home / 380,418.44-524,977.12-210,652.56

Finding the Fourth Proportional to 380,418.44, 524,977.12 and 210,652.56

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Solution

The fourth proportional to 380,418.44, 524,977.12 and 210,652.56 is: 290,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,418.44 : 524,977.12 = 210,652.56 : x
  2. Step 2: Convert to fraction form
    380,418.44/524,977.12 = 210,652.56/x
  3. Step 3: Cross multiply
    380,418.44x = 524,977.12 × 210,652.56
  4. Step 4: Simplify right side
    380,418.44x = 110,587,774,269.43
  5. Step 5: Solve for x
    x = 110,587,774,269.43/380,418.44
  6. Step 6: Final answer
    x = 290,700.35

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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.