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Finding the Fourth Proportional to 455,147.04, 682,509.24 and 265,662.12

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Solution

The fourth proportional to 455,147.04, 682,509.24 and 265,662.12 is: 398,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,147.04 : 682,509.24 = 265,662.12 : x
  2. Step 2: Convert to fraction form
    455,147.04/682,509.24 = 265,662.12/x
  3. Step 3: Cross multiply
    455,147.04x = 682,509.24 × 265,662.12
  4. Step 4: Simplify right side
    455,147.04x = 181,316,851,617.99
  5. Step 5: Solve for x
    x = 181,316,851,617.99/455,147.04
  6. Step 6: Final answer
    x = 398,369.84

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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.