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Finding the Fourth Proportional to 295,132.47, 440,396.96 and 263,323.93

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Solution

The fourth proportional to 295,132.47, 440,396.96 and 263,323.93 is: 392,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,132.47 : 440,396.96 = 263,323.93 : x
  2. Step 2: Convert to fraction form
    295,132.47/440,396.96 = 263,323.93/x
  3. Step 3: Cross multiply
    295,132.47x = 440,396.96 × 263,323.93
  4. Step 4: Simplify right side
    295,132.47x = 115,967,056,668.96
  5. Step 5: Solve for x
    x = 115,967,056,668.96/295,132.47
  6. Step 6: Final answer
    x = 392,932.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.