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Finding the Fourth Proportional to 370,454.96, 511,196.46 and 217,476.74

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Solution

The fourth proportional to 370,454.96, 511,196.46 and 217,476.74 is: 300,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,454.96 : 511,196.46 = 217,476.74 : x
  2. Step 2: Convert to fraction form
    370,454.96/511,196.46 = 217,476.74/x
  3. Step 3: Cross multiply
    370,454.96x = 511,196.46 × 217,476.74
  4. Step 4: Simplify right side
    370,454.96x = 111,173,339,620.34
  5. Step 5: Solve for x
    x = 111,173,339,620.34/370,454.96
  6. Step 6: Final answer
    x = 300,099.48

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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.