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Finding the Fourth Proportional to 344,242.80, 475,106.40 and 247,765.68

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Solution

The fourth proportional to 344,242.80, 475,106.40 and 247,765.68 is: 341,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,242.80 : 475,106.40 = 247,765.68 : x
  2. Step 2: Convert to fraction form
    344,242.80/475,106.40 = 247,765.68/x
  3. Step 3: Cross multiply
    344,242.80x = 475,106.40 × 247,765.68
  4. Step 4: Simplify right side
    344,242.80x = 117,715,060,268.35
  5. Step 5: Solve for x
    x = 117,715,060,268.35/344,242.80
  6. Step 6: Final answer
    x = 341,953.59

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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.