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Finding the Fourth Proportional to 207,267.40, 310,901.10 and 74,158.10

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Solution

The fourth proportional to 207,267.40, 310,901.10 and 74,158.10 is: 111,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,267.40 : 310,901.10 = 74,158.10 : x
  2. Step 2: Convert to fraction form
    207,267.40/310,901.10 = 74,158.10/x
  3. Step 3: Cross multiply
    207,267.40x = 310,901.10 × 74,158.10
  4. Step 4: Simplify right side
    207,267.40x = 23,055,834,863.91
  5. Step 5: Solve for x
    x = 23,055,834,863.91/207,267.40
  6. Step 6: Final answer
    x = 111,237.15

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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.