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Finding the Fourth Proportional to 343,150.71, 514,794.78 and 118,519.35

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Solution

The fourth proportional to 343,150.71, 514,794.78 and 118,519.35 is: 177,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,150.71 : 514,794.78 = 118,519.35 : x
  2. Step 2: Convert to fraction form
    343,150.71/514,794.78 = 118,519.35/x
  3. Step 3: Cross multiply
    343,150.71x = 514,794.78 × 118,519.35
  4. Step 4: Simplify right side
    343,150.71x = 61,013,142,708.99
  5. Step 5: Solve for x
    x = 61,013,142,708.99/343,150.71
  6. Step 6: Final answer
    x = 177,802.76

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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.