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Finding the Fourth Proportional to 340,080.17, 510,185.86 and 190,489.37

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Solution

The fourth proportional to 340,080.17, 510,185.86 and 190,489.37 is: 285,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,080.17 : 510,185.86 = 190,489.37 : x
  2. Step 2: Convert to fraction form
    340,080.17/510,185.86 = 190,489.37/x
  3. Step 3: Cross multiply
    340,080.17x = 510,185.86 × 190,489.37
  4. Step 4: Simplify right side
    340,080.17x = 97,184,980,027.16
  5. Step 5: Solve for x
    x = 97,184,980,027.16/340,080.17
  6. Step 6: Final answer
    x = 285,770.80

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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.