Home / 380,396.92-524,941.33-210,627.40

Finding the Fourth Proportional to 380,396.92, 524,941.33 and 210,627.40

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Solution

The fourth proportional to 380,396.92, 524,941.33 and 210,627.40 is: 290,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,396.92 : 524,941.33 = 210,627.40 : x
  2. Step 2: Convert to fraction form
    380,396.92/524,941.33 = 210,627.40/x
  3. Step 3: Cross multiply
    380,396.92x = 524,941.33 × 210,627.40
  4. Step 4: Simplify right side
    380,396.92x = 110,567,027,490.44
  5. Step 5: Solve for x
    x = 110,567,027,490.44/380,396.92
  6. Step 6: Final answer
    x = 290,662.26

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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.