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Finding the Fourth Proportional to 207,032.84, 310,481.18 and 64,877.80

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Solution

The fourth proportional to 207,032.84, 310,481.18 and 64,877.80 is: 97,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,032.84 : 310,481.18 = 64,877.80 : x
  2. Step 2: Convert to fraction form
    207,032.84/310,481.18 = 64,877.80/x
  3. Step 3: Cross multiply
    207,032.84x = 310,481.18 × 64,877.80
  4. Step 4: Simplify right side
    207,032.84x = 20,143,335,899.80
  5. Step 5: Solve for x
    x = 20,143,335,899.80/207,032.84
  6. Step 6: Final answer
    x = 97,295.37

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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.