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Finding the Fourth Proportional to 367,905.60, 516,117.60 and 367,905.60

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Solution

The fourth proportional to 367,905.60, 516,117.60 and 367,905.60 is: 516,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,905.60 : 516,117.60 = 367,905.60 : x
  2. Step 2: Convert to fraction form
    367,905.60/516,117.60 = 367,905.60/x
  3. Step 3: Cross multiply
    367,905.60x = 516,117.60 × 367,905.60
  4. Step 4: Simplify right side
    367,905.60x = 189,882,555,298.56
  5. Step 5: Solve for x
    x = 189,882,555,298.56/367,905.60
  6. Step 6: Final answer
    x = 516,117.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.