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Finding the Fourth Proportional to 248,003.60, 372,005.40 and 159,430.10

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Solution

The fourth proportional to 248,003.60, 372,005.40 and 159,430.10 is: 239,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,003.60 : 372,005.40 = 159,430.10 : x
  2. Step 2: Convert to fraction form
    248,003.60/372,005.40 = 159,430.10/x
  3. Step 3: Cross multiply
    248,003.60x = 372,005.40 × 159,430.10
  4. Step 4: Simplify right side
    248,003.60x = 59,308,858,122.54
  5. Step 5: Solve for x
    x = 59,308,858,122.54/248,003.60
  6. Step 6: Final answer
    x = 239,145.15

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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.