Home / 289,099.08-433,572-131,292.42

Finding the Fourth Proportional to 289,099.08, 433,572 and 131,292.42

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Solution

The fourth proportional to 289,099.08, 433,572 and 131,292.42 is: 196,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,099.08 : 433,572 = 131,292.42 : x
  2. Step 2: Convert to fraction form
    289,099.08/433,572 = 131,292.42/x
  3. Step 3: Cross multiply
    289,099.08x = 433,572 × 131,292.42
  4. Step 4: Simplify right side
    289,099.08x = 56,924,717,124.24
  5. Step 5: Solve for x
    x = 56,924,717,124.24/289,099.08
  6. Step 6: Final answer
    x = 196,903.83

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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.