Home / 215,565.42-297,476.18-135,037.36

Finding the Fourth Proportional to 215,565.42, 297,476.18 and 135,037.36

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Solution

The fourth proportional to 215,565.42, 297,476.18 and 135,037.36 is: 186,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,565.42 : 297,476.18 = 135,037.36 : x
  2. Step 2: Convert to fraction form
    215,565.42/297,476.18 = 135,037.36/x
  3. Step 3: Cross multiply
    215,565.42x = 297,476.18 × 135,037.36
  4. Step 4: Simplify right side
    215,565.42x = 40,170,396,522.70
  5. Step 5: Solve for x
    x = 40,170,396,522.70/215,565.42
  6. Step 6: Final answer
    x = 186,348.98

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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.