Home / 460,154.32-689,911.24-203,847.68

Finding the Fourth Proportional to 460,154.32, 689,911.24 and 203,847.68

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Solution

The fourth proportional to 460,154.32, 689,911.24 and 203,847.68 is: 305,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,154.32 : 689,911.24 = 203,847.68 : x
  2. Step 2: Convert to fraction form
    460,154.32/689,911.24 = 203,847.68/x
  3. Step 3: Cross multiply
    460,154.32x = 689,911.24 × 203,847.68
  4. Step 4: Simplify right side
    460,154.32x = 140,636,805,679.92
  5. Step 5: Solve for x
    x = 140,636,805,679.92/460,154.32
  6. Step 6: Final answer
    x = 305,629.65

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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.