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Finding the Fourth Proportional to 442,497.60, 610,610.40 and 251,467.20

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Solution

The fourth proportional to 442,497.60, 610,610.40 and 251,467.20 is: 347,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,497.60 : 610,610.40 = 251,467.20 : x
  2. Step 2: Convert to fraction form
    442,497.60/610,610.40 = 251,467.20/x
  3. Step 3: Cross multiply
    442,497.60x = 610,610.40 × 251,467.20
  4. Step 4: Simplify right side
    442,497.60x = 153,548,487,578.88
  5. Step 5: Solve for x
    x = 153,548,487,578.88/442,497.60
  6. Step 6: Final answer
    x = 347,004.11

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1.5x scale

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.