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Finding the Fourth Proportional to 242,655.30, 363,650.67 and 153,971.10

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Solution

The fourth proportional to 242,655.30, 363,650.67 and 153,971.10 is: 230,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,655.30 : 363,650.67 = 153,971.10 : x
  2. Step 2: Convert to fraction form
    242,655.30/363,650.67 = 153,971.10/x
  3. Step 3: Cross multiply
    242,655.30x = 363,650.67 × 153,971.10
  4. Step 4: Simplify right side
    242,655.30x = 55,991,693,675.64
  5. Step 5: Solve for x
    x = 55,991,693,675.64/242,655.30
  6. Step 6: Final answer
    x = 230,745.81

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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.