Home / 350,086.60-524,741.10-192,428.20

Finding the Fourth Proportional to 350,086.60, 524,741.10 and 192,428.20

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Solution

The fourth proportional to 350,086.60, 524,741.10 and 192,428.20 is: 288,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,086.60 : 524,741.10 = 192,428.20 : x
  2. Step 2: Convert to fraction form
    350,086.60/524,741.10 = 192,428.20/x
  3. Step 3: Cross multiply
    350,086.60x = 524,741.10 × 192,428.20
  4. Step 4: Simplify right side
    350,086.60x = 100,974,985,339.02
  5. Step 5: Solve for x
    x = 100,974,985,339.02/350,086.60
  6. Step 6: Final answer
    x = 288,428.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.