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Finding the Fourth Proportional to 340,244.29, 510,365.76 and 100,526.50

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Solution

The fourth proportional to 340,244.29, 510,365.76 and 100,526.50 is: 150,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,244.29 : 510,365.76 = 100,526.50 : x
  2. Step 2: Convert to fraction form
    340,244.29/510,365.76 = 100,526.50/x
  3. Step 3: Cross multiply
    340,244.29x = 510,365.76 × 100,526.50
  4. Step 4: Simplify right side
    340,244.29x = 51,305,283,572.64
  5. Step 5: Solve for x
    x = 51,305,283,572.64/340,244.29
  6. Step 6: Final answer
    x = 150,789.55

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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.