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Finding the Fourth Proportional to 241,400.31, 362,100.47 and 128,739.21

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Solution

The fourth proportional to 241,400.31, 362,100.47 and 128,739.21 is: 193,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,400.31 : 362,100.47 = 128,739.21 : x
  2. Step 2: Convert to fraction form
    241,400.31/362,100.47 = 128,739.21/x
  3. Step 3: Cross multiply
    241,400.31x = 362,100.47 × 128,739.21
  4. Step 4: Simplify right side
    241,400.31x = 46,616,528,609.35
  5. Step 5: Solve for x
    x = 46,616,528,609.35/241,400.31
  6. Step 6: Final answer
    x = 193,108.82

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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.