Home / 205,437.05-308,155.58-55,677.35

Finding the Fourth Proportional to 205,437.05, 308,155.58 and 55,677.35

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Solution

The fourth proportional to 205,437.05, 308,155.58 and 55,677.35 is: 83,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,437.05 : 308,155.58 = 55,677.35 : x
  2. Step 2: Convert to fraction form
    205,437.05/308,155.58 = 55,677.35/x
  3. Step 3: Cross multiply
    205,437.05x = 308,155.58 × 55,677.35
  4. Step 4: Simplify right side
    205,437.05x = 17,157,284,262.95
  5. Step 5: Solve for x
    x = 17,157,284,262.95/205,437.05
  6. Step 6: Final answer
    x = 83,516.02

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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.