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Finding the Fourth Proportional to 340,395.94, 510,669.75 and 103,757.02

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Solution

The fourth proportional to 340,395.94, 510,669.75 and 103,757.02 is: 155,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,395.94 : 510,669.75 = 103,757.02 : x
  2. Step 2: Convert to fraction form
    340,395.94/510,669.75 = 103,757.02/x
  3. Step 3: Cross multiply
    340,395.94x = 510,669.75 × 103,757.02
  4. Step 4: Simplify right side
    340,395.94x = 52,985,571,464.15
  5. Step 5: Solve for x
    x = 52,985,571,464.15/340,395.94
  6. Step 6: Final answer
    x = 155,658.65

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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.