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Finding the Fourth Proportional to 545,501.55, 818,381.07 and 171,524.55

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Solution

The fourth proportional to 545,501.55, 818,381.07 and 171,524.55 is: 257,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,501.55 : 818,381.07 = 171,524.55 : x
  2. Step 2: Convert to fraction form
    545,501.55/818,381.07 = 171,524.55/x
  3. Step 3: Cross multiply
    545,501.55x = 818,381.07 × 171,524.55
  4. Step 4: Simplify right side
    545,501.55x = 140,372,444,760.27
  5. Step 5: Solve for x
    x = 140,372,444,760.27/545,501.55
  6. Step 6: Final answer
    x = 257,327.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.