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Finding the Fourth Proportional to 253,817.40, 380,726.10 and 175,020.60

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Solution

The fourth proportional to 253,817.40, 380,726.10 and 175,020.60 is: 262,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,817.40 : 380,726.10 = 175,020.60 : x
  2. Step 2: Convert to fraction form
    253,817.40/380,726.10 = 175,020.60/x
  3. Step 3: Cross multiply
    253,817.40x = 380,726.10 × 175,020.60
  4. Step 4: Simplify right side
    253,817.40x = 66,634,910,457.66
  5. Step 5: Solve for x
    x = 66,634,910,457.66/253,817.40
  6. Step 6: Final answer
    x = 262,530.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.