Home / 380,052.08-524,464.96-210,286.20

Finding the Fourth Proportional to 380,052.08, 524,464.96 and 210,286.20

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Solution

The fourth proportional to 380,052.08, 524,464.96 and 210,286.20 is: 290,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,052.08 : 524,464.96 = 210,286.20 : x
  2. Step 2: Convert to fraction form
    380,052.08/524,464.96 = 210,286.20/x
  3. Step 3: Cross multiply
    380,052.08x = 524,464.96 × 210,286.20
  4. Step 4: Simplify right side
    380,052.08x = 110,287,743,471.55
  5. Step 5: Solve for x
    x = 110,287,743,471.55/380,052.08
  6. Step 6: Final answer
    x = 290,191.13

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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.