Home / 484,639.56-727,074.36-152,215.56

Finding the Fourth Proportional to 484,639.56, 727,074.36 and 152,215.56

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Solution

The fourth proportional to 484,639.56, 727,074.36 and 152,215.56 is: 228,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,639.56 : 727,074.36 = 152,215.56 : x
  2. Step 2: Convert to fraction form
    484,639.56/727,074.36 = 152,215.56/x
  3. Step 3: Cross multiply
    484,639.56x = 727,074.36 × 152,215.56
  4. Step 4: Simplify right side
    484,639.56x = 110,672,030,869.04
  5. Step 5: Solve for x
    x = 110,672,030,869.04/484,639.56
  6. Step 6: Final answer
    x = 228,359.47

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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.