Home / 380,367.03-524,912.96-208,282.25

Finding the Fourth Proportional to 380,367.03, 524,912.96 and 208,282.25

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Solution

The fourth proportional to 380,367.03, 524,912.96 and 208,282.25 is: 287,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,367.03 : 524,912.96 = 208,282.25 : x
  2. Step 2: Convert to fraction form
    380,367.03/524,912.96 = 208,282.25/x
  3. Step 3: Cross multiply
    380,367.03x = 524,912.96 × 208,282.25
  4. Step 4: Simplify right side
    380,367.03x = 109,330,052,633.83
  5. Step 5: Solve for x
    x = 109,330,052,633.83/380,367.03
  6. Step 6: Final answer
    x = 287,433.04

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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.