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Finding the Fourth Proportional to 340,293.28, 510,400.96 and 90,994.72

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Solution

The fourth proportional to 340,293.28, 510,400.96 and 90,994.72 is: 136,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,293.28 : 510,400.96 = 90,994.72 : x
  2. Step 2: Convert to fraction form
    340,293.28/510,400.96 = 90,994.72/x
  3. Step 3: Cross multiply
    340,293.28x = 510,400.96 × 90,994.72
  4. Step 4: Simplify right side
    340,293.28x = 46,443,792,442.93
  5. Step 5: Solve for x
    x = 46,443,792,442.93/340,293.28
  6. Step 6: Final answer
    x = 136,481.66

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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.