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Finding the Fourth Proportional to 270,011.42, 405,074.40 and 92,470.76

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Solution

The fourth proportional to 270,011.42, 405,074.40 and 92,470.76 is: 138,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,011.42 : 405,074.40 = 92,470.76 : x
  2. Step 2: Convert to fraction form
    270,011.42/405,074.40 = 92,470.76/x
  3. Step 3: Cross multiply
    270,011.42x = 405,074.40 × 92,470.76
  4. Step 4: Simplify right side
    270,011.42x = 37,457,537,624.54
  5. Step 5: Solve for x
    x = 37,457,537,624.54/270,011.42
  6. Step 6: Final answer
    x = 138,725.75

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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.