Home / 205,558.12-308,399.28-97,570.36

Finding the Fourth Proportional to 205,558.12, 308,399.28 and 97,570.36

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Solution

The fourth proportional to 205,558.12, 308,399.28 and 97,570.36 is: 146,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,558.12 : 308,399.28 = 97,570.36 : x
  2. Step 2: Convert to fraction form
    205,558.12/308,399.28 = 97,570.36/x
  3. Step 3: Cross multiply
    205,558.12x = 308,399.28 × 97,570.36
  4. Step 4: Simplify right side
    205,558.12x = 30,090,628,773.34
  5. Step 5: Solve for x
    x = 30,090,628,773.34/205,558.12
  6. Step 6: Final answer
    x = 146,385.02

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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.