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Finding the Fourth Proportional to 370,575.54, 511,206.39 and 234,380.12

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Solution

The fourth proportional to 370,575.54, 511,206.39 and 234,380.12 is: 323,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,575.54 : 511,206.39 = 234,380.12 : x
  2. Step 2: Convert to fraction form
    370,575.54/511,206.39 = 234,380.12/x
  3. Step 3: Cross multiply
    370,575.54x = 511,206.39 × 234,380.12
  4. Step 4: Simplify right side
    370,575.54x = 119,816,612,476.94
  5. Step 5: Solve for x
    x = 119,816,612,476.94/370,575.54
  6. Step 6: Final answer
    x = 323,325.74

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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.