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Finding the Fourth Proportional to 344,007.70, 516,011.55 and 202,290.10

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Solution

The fourth proportional to 344,007.70, 516,011.55 and 202,290.10 is: 303,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,007.70 : 516,011.55 = 202,290.10 : x
  2. Step 2: Convert to fraction form
    344,007.70/516,011.55 = 202,290.10/x
  3. Step 3: Cross multiply
    344,007.70x = 516,011.55 × 202,290.10
  4. Step 4: Simplify right side
    344,007.70x = 104,384,028,050.66
  5. Step 5: Solve for x
    x = 104,384,028,050.66/344,007.70
  6. Step 6: Final answer
    x = 303,435.15

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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.