Home / 205,837.16-308,749.98-65,604.20

Finding the Fourth Proportional to 205,837.16, 308,749.98 and 65,604.20

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Solution

The fourth proportional to 205,837.16, 308,749.98 and 65,604.20 is: 98,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,837.16 : 308,749.98 = 65,604.20 : x
  2. Step 2: Convert to fraction form
    205,837.16/308,749.98 = 65,604.20/x
  3. Step 3: Cross multiply
    205,837.16x = 308,749.98 × 65,604.20
  4. Step 4: Simplify right side
    205,837.16x = 20,255,295,437.92
  5. Step 5: Solve for x
    x = 20,255,295,437.92/205,837.16
  6. Step 6: Final answer
    x = 98,404.46

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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.