Home / 413,246.40-619,723.80-147,015.60

Finding the Fourth Proportional to 413,246.40, 619,723.80 and 147,015.60

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Solution

The fourth proportional to 413,246.40, 619,723.80 and 147,015.60 is: 220,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,246.40 : 619,723.80 = 147,015.60 : x
  2. Step 2: Convert to fraction form
    413,246.40/619,723.80 = 147,015.60/x
  3. Step 3: Cross multiply
    413,246.40x = 619,723.80 × 147,015.60
  4. Step 4: Simplify right side
    413,246.40x = 91,109,066,291.28
  5. Step 5: Solve for x
    x = 91,109,066,291.28/413,246.40
  6. Step 6: Final answer
    x = 220,471.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.