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Finding the Fourth Proportional to 448,932, 619,539.12 and 247,740.96

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Solution

The fourth proportional to 448,932, 619,539.12 and 247,740.96 is: 341,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,932 : 619,539.12 = 247,740.96 : x
  2. Step 2: Convert to fraction form
    448,932/619,539.12 = 247,740.96/x
  3. Step 3: Cross multiply
    448,932x = 619,539.12 × 247,740.96
  4. Step 4: Simplify right side
    448,932x = 153,485,216,346.36
  5. Step 5: Solve for x
    x = 153,485,216,346.36/448,932
  6. Step 6: Final answer
    x = 341,889.68

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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.