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Finding the Fourth Proportional to 257,797.40, 355,887.42 and 162,450.68

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Solution

The fourth proportional to 257,797.40, 355,887.42 and 162,450.68 is: 224,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,797.40 : 355,887.42 = 162,450.68 : x
  2. Step 2: Convert to fraction form
    257,797.40/355,887.42 = 162,450.68/x
  3. Step 3: Cross multiply
    257,797.40x = 355,887.42 × 162,450.68
  4. Step 4: Simplify right side
    257,797.40x = 57,814,153,382.45
  5. Step 5: Solve for x
    x = 57,814,153,382.45/257,797.40
  6. Step 6: Final answer
    x = 224,261.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.