Home / 289,214.70-433,822.05-131,750.70

Finding the Fourth Proportional to 289,214.70, 433,822.05 and 131,750.70

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Solution

The fourth proportional to 289,214.70, 433,822.05 and 131,750.70 is: 197,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,214.70 : 433,822.05 = 131,750.70 : x
  2. Step 2: Convert to fraction form
    289,214.70/433,822.05 = 131,750.70/x
  3. Step 3: Cross multiply
    289,214.70x = 433,822.05 × 131,750.70
  4. Step 4: Simplify right side
    289,214.70x = 57,156,358,762.94
  5. Step 5: Solve for x
    x = 57,156,358,762.94/289,214.70
  6. Step 6: Final answer
    x = 197,626.05

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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.