Home / 475,945.89-713,921.28-160,405.53

Finding the Fourth Proportional to 475,945.89, 713,921.28 and 160,405.53

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Solution

The fourth proportional to 475,945.89, 713,921.28 and 160,405.53 is: 240,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,945.89 : 713,921.28 = 160,405.53 : x
  2. Step 2: Convert to fraction form
    475,945.89/713,921.28 = 160,405.53/x
  3. Step 3: Cross multiply
    475,945.89x = 713,921.28 × 160,405.53
  4. Step 4: Simplify right side
    475,945.89x = 114,516,922,033.76
  5. Step 5: Solve for x
    x = 114,516,922,033.76/475,945.89
  6. Step 6: Final answer
    x = 240,609.12

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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.