Home / 204,474.80-307,159.32-145,688.24

Finding the Fourth Proportional to 204,474.80, 307,159.32 and 145,688.24

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Solution

The fourth proportional to 204,474.80, 307,159.32 and 145,688.24 is: 218,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,474.80 : 307,159.32 = 145,688.24 : x
  2. Step 2: Convert to fraction form
    204,474.80/307,159.32 = 145,688.24/x
  3. Step 3: Cross multiply
    204,474.80x = 307,159.32 × 145,688.24
  4. Step 4: Simplify right side
    204,474.80x = 44,749,500,730.40
  5. Step 5: Solve for x
    x = 44,749,500,730.40/204,474.80
  6. Step 6: Final answer
    x = 218,850.93

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1.5x scale

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.