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Finding the Fourth Proportional to 335,651.65, 463,082.47 and 190,440.32

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Solution

The fourth proportional to 335,651.65, 463,082.47 and 190,440.32 is: 262,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,651.65 : 463,082.47 = 190,440.32 : x
  2. Step 2: Convert to fraction form
    335,651.65/463,082.47 = 190,440.32/x
  3. Step 3: Cross multiply
    335,651.65x = 463,082.47 × 190,440.32
  4. Step 4: Simplify right side
    335,651.65x = 88,189,570,981.68
  5. Step 5: Solve for x
    x = 88,189,570,981.68/335,651.65
  6. Step 6: Final answer
    x = 262,741.36

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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.