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Finding the Fourth Proportional to 340,344.32, 510,516.36 and 91,019.84

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Solution

The fourth proportional to 340,344.32, 510,516.36 and 91,019.84 is: 136,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,344.32 : 510,516.36 = 91,019.84 : x
  2. Step 2: Convert to fraction form
    340,344.32/510,516.36 = 91,019.84/x
  3. Step 3: Cross multiply
    340,344.32x = 510,516.36 × 91,019.84
  4. Step 4: Simplify right side
    340,344.32x = 46,467,117,404.58
  5. Step 5: Solve for x
    x = 46,467,117,404.58/340,344.32
  6. Step 6: Final answer
    x = 136,529.73

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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.