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Finding the Fourth Proportional to 340,500.87, 469,885.37 and 187,553.37

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Solution

The fourth proportional to 340,500.87, 469,885.37 and 187,553.37 is: 258,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,500.87 : 469,885.37 = 187,553.37 : x
  2. Step 2: Convert to fraction form
    340,500.87/469,885.37 = 187,553.37/x
  3. Step 3: Cross multiply
    340,500.87x = 469,885.37 × 187,553.37
  4. Step 4: Simplify right side
    340,500.87x = 88,128,583,719.43
  5. Step 5: Solve for x
    x = 88,128,583,719.43/340,500.87
  6. Step 6: Final answer
    x = 258,820.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.