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Finding the Fourth Proportional to 354,875.63, 489,727.89 and 227,550.92

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Solution

The fourth proportional to 354,875.63, 489,727.89 and 227,550.92 is: 314,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,875.63 : 489,727.89 = 227,550.92 : x
  2. Step 2: Convert to fraction form
    354,875.63/489,727.89 = 227,550.92/x
  3. Step 3: Cross multiply
    354,875.63x = 489,727.89 × 227,550.92
  4. Step 4: Simplify right side
    354,875.63x = 111,438,029,897.18
  5. Step 5: Solve for x
    x = 111,438,029,897.18/354,875.63
  6. Step 6: Final answer
    x = 314,019.96

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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.