Home / 380,297.28-524,645.44-229,310.40

Finding the Fourth Proportional to 380,297.28, 524,645.44 and 229,310.40

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Solution

The fourth proportional to 380,297.28, 524,645.44 and 229,310.40 is: 316,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,297.28 : 524,645.44 = 229,310.40 : x
  2. Step 2: Convert to fraction form
    380,297.28/524,645.44 = 229,310.40/x
  3. Step 3: Cross multiply
    380,297.28x = 524,645.44 × 229,310.40
  4. Step 4: Simplify right side
    380,297.28x = 120,306,655,704.58
  5. Step 5: Solve for x
    x = 120,306,655,704.58/380,297.28
  6. Step 6: Final answer
    x = 316,348.98

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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.