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Finding the Fourth Proportional to 207,098.08, 310,712.33 and 73,975.39

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Solution

The fourth proportional to 207,098.08, 310,712.33 and 73,975.39 is: 110,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,098.08 : 310,712.33 = 73,975.39 : x
  2. Step 2: Convert to fraction form
    207,098.08/310,712.33 = 73,975.39/x
  3. Step 3: Cross multiply
    207,098.08x = 310,712.33 × 73,975.39
  4. Step 4: Simplify right side
    207,098.08x = 22,985,065,419.68
  5. Step 5: Solve for x
    x = 22,985,065,419.68/207,098.08
  6. Step 6: Final answer
    x = 110,986.38

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1.5x scale

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.