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Finding the Fourth Proportional to 340,048.09, 510,100.68 and 103,392.82

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Solution

The fourth proportional to 340,048.09, 510,100.68 and 103,392.82 is: 155,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,048.09 : 510,100.68 = 103,392.82 : x
  2. Step 2: Convert to fraction form
    340,048.09/510,100.68 = 103,392.82/x
  3. Step 3: Cross multiply
    340,048.09x = 510,100.68 × 103,392.82
  4. Step 4: Simplify right side
    340,048.09x = 52,740,745,238.61
  5. Step 5: Solve for x
    x = 52,740,745,238.61/340,048.09
  6. Step 6: Final answer
    x = 155,097.90

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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.