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Finding the Fourth Proportional to 340,276.52, 510,352.79 and 100,340.75

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Solution

The fourth proportional to 340,276.52, 510,352.79 and 100,340.75 is: 150,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,276.52 : 510,352.79 = 100,340.75 : x
  2. Step 2: Convert to fraction form
    340,276.52/510,352.79 = 100,340.75/x
  3. Step 3: Cross multiply
    340,276.52x = 510,352.79 × 100,340.75
  4. Step 4: Simplify right side
    340,276.52x = 51,209,178,659.72
  5. Step 5: Solve for x
    x = 51,209,178,659.72/340,276.52
  6. Step 6: Final answer
    x = 150,492.84

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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.