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Finding the Fourth Proportional to 340,434, 510,884.32 and 118,818

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Solution

The fourth proportional to 340,434, 510,884.32 and 118,818 is: 178,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,434 : 510,884.32 = 118,818 : x
  2. Step 2: Convert to fraction form
    340,434/510,884.32 = 118,818/x
  3. Step 3: Cross multiply
    340,434x = 510,884.32 × 118,818
  4. Step 4: Simplify right side
    340,434x = 60,702,253,133.76
  5. Step 5: Solve for x
    x = 60,702,253,133.76/340,434
  6. Step 6: Final answer
    x = 178,308.43

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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.