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Finding the Fourth Proportional to 545,149.44, 752,300.48 and 303,428.16

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Solution

The fourth proportional to 545,149.44, 752,300.48 and 303,428.16 is: 418,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,149.44 : 752,300.48 = 303,428.16 : x
  2. Step 2: Convert to fraction form
    545,149.44/752,300.48 = 303,428.16/x
  3. Step 3: Cross multiply
    545,149.44x = 752,300.48 × 303,428.16
  4. Step 4: Simplify right side
    545,149.44x = 228,269,150,413.52
  5. Step 5: Solve for x
    x = 228,269,150,413.52/545,149.44
  6. Step 6: Final answer
    x = 418,727.66

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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.