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Finding the Fourth Proportional to 379,271.70, 569,276.10 and 295,938.90

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Solution

The fourth proportional to 379,271.70, 569,276.10 and 295,938.90 is: 444,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,271.70 : 569,276.10 = 295,938.90 : x
  2. Step 2: Convert to fraction form
    379,271.70/569,276.10 = 295,938.90/x
  3. Step 3: Cross multiply
    379,271.70x = 569,276.10 × 295,938.90
  4. Step 4: Simplify right side
    379,271.70x = 168,470,942,830.29
  5. Step 5: Solve for x
    x = 168,470,942,830.29/379,271.70
  6. Step 6: Final answer
    x = 444,195.92

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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.