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Finding the Fourth Proportional to 205,279.56, 307,927.98 and 65,035.08

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Solution

The fourth proportional to 205,279.56, 307,927.98 and 65,035.08 is: 97,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,279.56 : 307,927.98 = 65,035.08 : x
  2. Step 2: Convert to fraction form
    205,279.56/307,927.98 = 65,035.08/x
  3. Step 3: Cross multiply
    205,279.56x = 307,927.98 × 65,035.08
  4. Step 4: Simplify right side
    205,279.56x = 20,026,120,813.54
  5. Step 5: Solve for x
    x = 20,026,120,813.54/205,279.56
  6. Step 6: Final answer
    x = 97,555.36

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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.