Home / 356,141.04-491,455.80-194,965.20

Finding the Fourth Proportional to 356,141.04, 491,455.80 and 194,965.20

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Solution

The fourth proportional to 356,141.04, 491,455.80 and 194,965.20 is: 269,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,141.04 : 491,455.80 = 194,965.20 : x
  2. Step 2: Convert to fraction form
    356,141.04/491,455.80 = 194,965.20/x
  3. Step 3: Cross multiply
    356,141.04x = 491,455.80 × 194,965.20
  4. Step 4: Simplify right side
    356,141.04x = 95,816,778,338.16
  5. Step 5: Solve for x
    x = 95,816,778,338.16/356,141.04
  6. Step 6: Final answer
    x = 269,041.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.