Home / 370,171.54-510,836.88-200,405.62

Finding the Fourth Proportional to 370,171.54, 510,836.88 and 200,405.62

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Solution

The fourth proportional to 370,171.54, 510,836.88 and 200,405.62 is: 276,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,171.54 : 510,836.88 = 200,405.62 : x
  2. Step 2: Convert to fraction form
    370,171.54/510,836.88 = 200,405.62/x
  3. Step 3: Cross multiply
    370,171.54x = 510,836.88 × 200,405.62
  4. Step 4: Simplify right side
    370,171.54x = 102,374,581,655.27
  5. Step 5: Solve for x
    x = 102,374,581,655.27/370,171.54
  6. Step 6: Final answer
    x = 276,559.84

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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.