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Finding the Fourth Proportional to 266,683.92, 368,035.24 and 145,818

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Solution

The fourth proportional to 266,683.92, 368,035.24 and 145,818 is: 201,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,683.92 : 368,035.24 = 145,818 : x
  2. Step 2: Convert to fraction form
    266,683.92/368,035.24 = 145,818/x
  3. Step 3: Cross multiply
    266,683.92x = 368,035.24 × 145,818
  4. Step 4: Simplify right side
    266,683.92x = 53,666,162,626.32
  5. Step 5: Solve for x
    x = 53,666,162,626.32/266,683.92
  6. Step 6: Final answer
    x = 201,235.09

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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.