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Finding the Fourth Proportional to 419,118.64, 628,802.09 and 241,752.94

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Solution

The fourth proportional to 419,118.64, 628,802.09 and 241,752.94 is: 362,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,118.64 : 628,802.09 = 241,752.94 : x
  2. Step 2: Convert to fraction form
    419,118.64/628,802.09 = 241,752.94/x
  3. Step 3: Cross multiply
    419,118.64x = 628,802.09 × 241,752.94
  4. Step 4: Simplify right side
    419,118.64x = 152,014,753,935.65
  5. Step 5: Solve for x
    x = 152,014,753,935.65/419,118.64
  6. Step 6: Final answer
    x = 362,701.01

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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.