Home / 380,216.08-524,691.84-210,446.56

Finding the Fourth Proportional to 380,216.08, 524,691.84 and 210,446.56

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Solution

The fourth proportional to 380,216.08, 524,691.84 and 210,446.56 is: 290,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,216.08 : 524,691.84 = 210,446.56 : x
  2. Step 2: Convert to fraction form
    380,216.08/524,691.84 = 210,446.56/x
  3. Step 3: Cross multiply
    380,216.08x = 524,691.84 × 210,446.56
  4. Step 4: Simplify right side
    380,216.08x = 110,419,592,788.07
  5. Step 5: Solve for x
    x = 110,419,592,788.07/380,216.08
  6. Step 6: Final answer
    x = 290,412.74

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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.