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Finding the Fourth Proportional to 500,083.46, 690,109.84 and 270,635.72

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Solution

The fourth proportional to 500,083.46, 690,109.84 and 270,635.72 is: 373,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,083.46 : 690,109.84 = 270,635.72 : x
  2. Step 2: Convert to fraction form
    500,083.46/690,109.84 = 270,635.72/x
  3. Step 3: Cross multiply
    500,083.46x = 690,109.84 × 270,635.72
  4. Step 4: Simplify right side
    500,083.46x = 186,768,373,427.49
  5. Step 5: Solve for x
    x = 186,768,373,427.49/500,083.46
  6. Step 6: Final answer
    x = 373,474.41

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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.