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Finding the Fourth Proportional to 449,545.84, 620,385.41 and 268,362.90

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Solution

The fourth proportional to 449,545.84, 620,385.41 and 268,362.90 is: 370,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,545.84 : 620,385.41 = 268,362.90 : x
  2. Step 2: Convert to fraction form
    449,545.84/620,385.41 = 268,362.90/x
  3. Step 3: Cross multiply
    449,545.84x = 620,385.41 × 268,362.90
  4. Step 4: Simplify right side
    449,545.84x = 166,488,428,416.20
  5. Step 5: Solve for x
    x = 166,488,428,416.20/449,545.84
  6. Step 6: Final answer
    x = 370,348.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.