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Finding the Fourth Proportional to 215,057.58, 296,786.92 and 118,265.40

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Solution

The fourth proportional to 215,057.58, 296,786.92 and 118,265.40 is: 163,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,057.58 : 296,786.92 = 118,265.40 : x
  2. Step 2: Convert to fraction form
    215,057.58/296,786.92 = 118,265.40/x
  3. Step 3: Cross multiply
    215,057.58x = 296,786.92 × 118,265.40
  4. Step 4: Simplify right side
    215,057.58x = 35,099,623,808.57
  5. Step 5: Solve for x
    x = 35,099,623,808.57/215,057.58
  6. Step 6: Final answer
    x = 163,210.35

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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.