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Finding the Fourth Proportional to 458,856.54, 633,222.71 and 254,901.92

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Solution

The fourth proportional to 458,856.54, 633,222.71 and 254,901.92 is: 351,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,856.54 : 633,222.71 = 254,901.92 : x
  2. Step 2: Convert to fraction form
    458,856.54/633,222.71 = 254,901.92/x
  3. Step 3: Cross multiply
    458,856.54x = 633,222.71 × 254,901.92
  4. Step 4: Simplify right side
    458,856.54x = 161,409,680,125.98
  5. Step 5: Solve for x
    x = 161,409,680,125.98/458,856.54
  6. Step 6: Final answer
    x = 351,765.02

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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.