Home / 214,780.40-296,429.25-154,550.42

Finding the Fourth Proportional to 214,780.40, 296,429.25 and 154,550.42

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Solution

The fourth proportional to 214,780.40, 296,429.25 and 154,550.42 is: 213,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,780.40 : 296,429.25 = 154,550.42 : x
  2. Step 2: Convert to fraction form
    214,780.40/296,429.25 = 154,550.42/x
  3. Step 3: Cross multiply
    214,780.40x = 296,429.25 × 154,550.42
  4. Step 4: Simplify right side
    214,780.40x = 45,813,263,605.64
  5. Step 5: Solve for x
    x = 45,813,263,605.64/214,780.40
  6. Step 6: Final answer
    x = 213,302.82

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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.