Home / 380,005.32-524,388.18-207,919.56

Finding the Fourth Proportional to 380,005.32, 524,388.18 and 207,919.56

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Solution

The fourth proportional to 380,005.32, 524,388.18 and 207,919.56 is: 286,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,005.32 : 524,388.18 = 207,919.56 : x
  2. Step 2: Convert to fraction form
    380,005.32/524,388.18 = 207,919.56/x
  3. Step 3: Cross multiply
    380,005.32x = 524,388.18 × 207,919.56
  4. Step 4: Simplify right side
    380,005.32x = 109,030,559,654.80
  5. Step 5: Solve for x
    x = 109,030,559,654.80/380,005.32
  6. Step 6: Final answer
    x = 286,918.51

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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.