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Finding the Fourth Proportional to 348,243.62, 480,678.84 and 227,403.77

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Solution

The fourth proportional to 348,243.62, 480,678.84 and 227,403.77 is: 313,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,243.62 : 480,678.84 = 227,403.77 : x
  2. Step 2: Convert to fraction form
    348,243.62/480,678.84 = 227,403.77/x
  3. Step 3: Cross multiply
    348,243.62x = 480,678.84 × 227,403.77
  4. Step 4: Simplify right side
    348,243.62x = 109,308,177,971.83
  5. Step 5: Solve for x
    x = 109,308,177,971.83/348,243.62
  6. Step 6: Final answer
    x = 313,884.23

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1.5x scale

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.