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Finding the Fourth Proportional to 242,601.10, 363,804.45 and 84,748.30

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Solution

The fourth proportional to 242,601.10, 363,804.45 and 84,748.30 is: 127,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,601.10 : 363,804.45 = 84,748.30 : x
  2. Step 2: Convert to fraction form
    242,601.10/363,804.45 = 84,748.30/x
  3. Step 3: Cross multiply
    242,601.10x = 363,804.45 × 84,748.30
  4. Step 4: Simplify right side
    242,601.10x = 30,831,808,669.94
  5. Step 5: Solve for x
    x = 30,831,808,669.94/242,601.10
  6. Step 6: Final answer
    x = 127,088.49

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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.