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Finding the Fourth Proportional to 340,765.41, 510,492.43 and 190,550.10

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Solution

The fourth proportional to 340,765.41, 510,492.43 and 190,550.10 is: 285,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,765.41 : 510,492.43 = 190,550.10 : x
  2. Step 2: Convert to fraction form
    340,765.41/510,492.43 = 190,550.10/x
  3. Step 3: Cross multiply
    340,765.41x = 510,492.43 × 190,550.10
  4. Step 4: Simplify right side
    340,765.41x = 97,274,384,666.43
  5. Step 5: Solve for x
    x = 97,274,384,666.43/340,765.41
  6. Step 6: Final answer
    x = 285,458.50

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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.