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Finding the Fourth Proportional to 340,017.96, 510,027.29 and 126,782.62

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Solution

The fourth proportional to 340,017.96, 510,027.29 and 126,782.62 is: 190,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,017.96 : 510,027.29 = 126,782.62 : x
  2. Step 2: Convert to fraction form
    340,017.96/510,027.29 = 126,782.62/x
  3. Step 3: Cross multiply
    340,017.96x = 510,027.29 × 126,782.62
  4. Step 4: Simplify right side
    340,017.96x = 64,662,594,188.72
  5. Step 5: Solve for x
    x = 64,662,594,188.72/340,017.96
  6. Step 6: Final answer
    x = 190,174.05

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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.