Home / 438,606.06-605,291.01-268,807.38

Finding the Fourth Proportional to 438,606.06, 605,291.01 and 268,807.38

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Solution

The fourth proportional to 438,606.06, 605,291.01 and 268,807.38 is: 370,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,606.06 : 605,291.01 = 268,807.38 : x
  2. Step 2: Convert to fraction form
    438,606.06/605,291.01 = 268,807.38/x
  3. Step 3: Cross multiply
    438,606.06x = 605,291.01 × 268,807.38
  4. Step 4: Simplify right side
    438,606.06x = 162,706,690,535.65
  5. Step 5: Solve for x
    x = 162,706,690,535.65/438,606.06
  6. Step 6: Final answer
    x = 370,963.16

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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.