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Finding the Fourth Proportional to 449,832.40, 620,666.40 and 268,603.04

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Solution

The fourth proportional to 449,832.40, 620,666.40 and 268,603.04 is: 370,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,832.40 : 620,666.40 = 268,603.04 : x
  2. Step 2: Convert to fraction form
    449,832.40/620,666.40 = 268,603.04/x
  3. Step 3: Cross multiply
    449,832.40x = 620,666.40 × 268,603.04
  4. Step 4: Simplify right side
    449,832.40x = 166,712,881,865.86
  5. Step 5: Solve for x
    x = 166,712,881,865.86/449,832.40
  6. Step 6: Final answer
    x = 370,611.10

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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.