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Finding the Fourth Proportional to 266,254.64, 399,574.63 and 104,172.65

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Solution

The fourth proportional to 266,254.64, 399,574.63 and 104,172.65 is: 156,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,254.64 : 399,574.63 = 104,172.65 : x
  2. Step 2: Convert to fraction form
    266,254.64/399,574.63 = 104,172.65/x
  3. Step 3: Cross multiply
    266,254.64x = 399,574.63 × 104,172.65
  4. Step 4: Simplify right side
    266,254.64x = 41,624,747,417.63
  5. Step 5: Solve for x
    x = 41,624,747,417.63/266,254.64
  6. Step 6: Final answer
    x = 156,334.36

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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.