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Finding the Fourth Proportional to 444,012.32, 612,724.56 and 242,804

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Solution

The fourth proportional to 444,012.32, 612,724.56 and 242,804 is: 335,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,012.32 : 612,724.56 = 242,804 : x
  2. Step 2: Convert to fraction form
    444,012.32/612,724.56 = 242,804/x
  3. Step 3: Cross multiply
    444,012.32x = 612,724.56 × 242,804
  4. Step 4: Simplify right side
    444,012.32x = 148,771,974,066.24
  5. Step 5: Solve for x
    x = 148,771,974,066.24/444,012.32
  6. Step 6: Final answer
    x = 335,062.72

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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.