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Finding the Fourth Proportional to 245,377.88, 368,066.92 and 76,911.34

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Solution

The fourth proportional to 245,377.88, 368,066.92 and 76,911.34 is: 115,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,377.88 : 368,066.92 = 76,911.34 : x
  2. Step 2: Convert to fraction form
    245,377.88/368,066.92 = 76,911.34/x
  3. Step 3: Cross multiply
    245,377.88x = 368,066.92 × 76,911.34
  4. Step 4: Simplify right side
    245,377.88x = 28,308,520,026.87
  5. Step 5: Solve for x
    x = 28,308,520,026.87/245,377.88
  6. Step 6: Final answer
    x = 115,367.04

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1.5x scale

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.