Home / 380,371.28-524,823.24-227,459.60

Finding the Fourth Proportional to 380,371.28, 524,823.24 and 227,459.60

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Solution

The fourth proportional to 380,371.28, 524,823.24 and 227,459.60 is: 313,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,371.28 : 524,823.24 = 227,459.60 : x
  2. Step 2: Convert to fraction form
    380,371.28/524,823.24 = 227,459.60/x
  3. Step 3: Cross multiply
    380,371.28x = 524,823.24 × 227,459.60
  4. Step 4: Simplify right side
    380,371.28x = 119,376,084,241.10
  5. Step 5: Solve for x
    x = 119,376,084,241.10/380,371.28
  6. Step 6: Final answer
    x = 313,840.95

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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.