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Finding the Fourth Proportional to 362,431.35, 500,626.26 and 275,864.67

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Solution

The fourth proportional to 362,431.35, 500,626.26 and 275,864.67 is: 381,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,431.35 : 500,626.26 = 275,864.67 : x
  2. Step 2: Convert to fraction form
    362,431.35/500,626.26 = 275,864.67/x
  3. Step 3: Cross multiply
    362,431.35x = 500,626.26 × 275,864.67
  4. Step 4: Simplify right side
    362,431.35x = 138,105,098,008.23
  5. Step 5: Solve for x
    x = 138,105,098,008.23/362,431.35
  6. Step 6: Final answer
    x = 381,051.74

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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.