Home / 205,435.05-308,185.70-63,280.31

Finding the Fourth Proportional to 205,435.05, 308,185.70 and 63,280.31

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Solution

The fourth proportional to 205,435.05, 308,185.70 and 63,280.31 is: 94,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,435.05 : 308,185.70 = 63,280.31 : x
  2. Step 2: Convert to fraction form
    205,435.05/308,185.70 = 63,280.31/x
  3. Step 3: Cross multiply
    205,435.05x = 308,185.70 × 63,280.31
  4. Step 4: Simplify right side
    205,435.05x = 19,502,084,776.24
  5. Step 5: Solve for x
    x = 19,502,084,776.24/205,435.05
  6. Step 6: Final answer
    x = 94,930.66

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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.