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Finding the Fourth Proportional to 207,019.62, 310,595.10 and 73,896.93

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Solution

The fourth proportional to 207,019.62, 310,595.10 and 73,896.93 is: 110,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,019.62 : 310,595.10 = 73,896.93 : x
  2. Step 2: Convert to fraction form
    207,019.62/310,595.10 = 73,896.93/x
  3. Step 3: Cross multiply
    207,019.62x = 310,595.10 × 73,896.93
  4. Step 4: Simplify right side
    207,019.62x = 22,952,024,363.04
  5. Step 5: Solve for x
    x = 22,952,024,363.04/207,019.62
  6. Step 6: Final answer
    x = 110,868.84

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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.