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Finding the Fourth Proportional to 500,181.63, 690,250.55 and 270,738.87

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Solution

The fourth proportional to 500,181.63, 690,250.55 and 270,738.87 is: 373,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,181.63 : 690,250.55 = 270,738.87 : x
  2. Step 2: Convert to fraction form
    500,181.63/690,250.55 = 270,738.87/x
  3. Step 3: Cross multiply
    500,181.63x = 690,250.55 × 270,738.87
  4. Step 4: Simplify right side
    500,181.63x = 186,877,653,923.88
  5. Step 5: Solve for x
    x = 186,877,653,923.88/500,181.63
  6. Step 6: Final answer
    x = 373,619.59

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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.