Home / 380,096.30-524,511.16-210,320.30

Finding the Fourth Proportional to 380,096.30, 524,511.16 and 210,320.30

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Solution

The fourth proportional to 380,096.30, 524,511.16 and 210,320.30 is: 290,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,096.30 : 524,511.16 = 210,320.30 : x
  2. Step 2: Convert to fraction form
    380,096.30/524,511.16 = 210,320.30/x
  3. Step 3: Cross multiply
    380,096.30x = 524,511.16 × 210,320.30
  4. Step 4: Simplify right side
    380,096.30x = 110,315,344,524.55
  5. Step 5: Solve for x
    x = 110,315,344,524.55/380,096.30
  6. Step 6: Final answer
    x = 290,229.99

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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.