Home / 418,047.04-626,936.80-137,497.92

Finding the Fourth Proportional to 418,047.04, 626,936.80 and 137,497.92

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Solution

The fourth proportional to 418,047.04, 626,936.80 and 137,497.92 is: 206,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,047.04 : 626,936.80 = 137,497.92 : x
  2. Step 2: Convert to fraction form
    418,047.04/626,936.80 = 137,497.92/x
  3. Step 3: Cross multiply
    418,047.04x = 626,936.80 × 137,497.92
  4. Step 4: Simplify right side
    418,047.04x = 86,202,505,971.46
  5. Step 5: Solve for x
    x = 86,202,505,971.46/418,047.04
  6. Step 6: Final answer
    x = 206,202.89

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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.