Home / 380,396.79-524,941.16-210,627.27

Finding the Fourth Proportional to 380,396.79, 524,941.16 and 210,627.27

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Solution

The fourth proportional to 380,396.79, 524,941.16 and 210,627.27 is: 290,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,396.79 : 524,941.16 = 210,627.27 : x
  2. Step 2: Convert to fraction form
    380,396.79/524,941.16 = 210,627.27/x
  3. Step 3: Cross multiply
    380,396.79x = 524,941.16 × 210,627.27
  4. Step 4: Simplify right side
    380,396.79x = 110,566,922,388.30
  5. Step 5: Solve for x
    x = 110,566,922,388.30/380,396.79
  6. Step 6: Final answer
    x = 290,662.08

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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.