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Finding the Fourth Proportional to 442,153.06, 610,137.62 and 248,530.01

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Solution

The fourth proportional to 442,153.06, 610,137.62 and 248,530.01 is: 342,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,153.06 : 610,137.62 = 248,530.01 : x
  2. Step 2: Convert to fraction form
    442,153.06/610,137.62 = 248,530.01/x
  3. Step 3: Cross multiply
    442,153.06x = 610,137.62 × 248,530.01
  4. Step 4: Simplify right side
    442,153.06x = 151,637,505,863.70
  5. Step 5: Solve for x
    x = 151,637,505,863.70/442,153.06
  6. Step 6: Final answer
    x = 342,952.52

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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.