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Finding the Fourth Proportional to 335,619.95, 463,051.08 and 190,401.71

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Solution

The fourth proportional to 335,619.95, 463,051.08 and 190,401.71 is: 262,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,619.95 : 463,051.08 = 190,401.71 : x
  2. Step 2: Convert to fraction form
    335,619.95/463,051.08 = 190,401.71/x
  3. Step 3: Cross multiply
    335,619.95x = 463,051.08 × 190,401.71
  4. Step 4: Simplify right side
    335,619.95x = 88,165,715,134.09
  5. Step 5: Solve for x
    x = 88,165,715,134.09/335,619.95
  6. Step 6: Final answer
    x = 262,695.10

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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.