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Finding the Fourth Proportional to 545,125.38, 752,265.38 and 303,408.02

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Solution

The fourth proportional to 545,125.38, 752,265.38 and 303,408.02 is: 418,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,125.38 : 752,265.38 = 303,408.02 : x
  2. Step 2: Convert to fraction form
    545,125.38/752,265.38 = 303,408.02/x
  3. Step 3: Cross multiply
    545,125.38x = 752,265.38 × 303,408.02
  4. Step 4: Simplify right side
    545,125.38x = 228,243,344,181.98
  5. Step 5: Solve for x
    x = 228,243,344,181.98/545,125.38
  6. Step 6: Final answer
    x = 418,698.80

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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.