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Finding the Fourth Proportional to 273,210.30, 409,815.45 and 262,712.70

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Solution

The fourth proportional to 273,210.30, 409,815.45 and 262,712.70 is: 394,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,210.30 : 409,815.45 = 262,712.70 : x
  2. Step 2: Convert to fraction form
    273,210.30/409,815.45 = 262,712.70/x
  3. Step 3: Cross multiply
    273,210.30x = 409,815.45 × 262,712.70
  4. Step 4: Simplify right side
    273,210.30x = 107,663,723,371.22
  5. Step 5: Solve for x
    x = 107,663,723,371.22/273,210.30
  6. Step 6: Final answer
    x = 394,069.05

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1.5x scale

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.