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Finding the Fourth Proportional to 545,453.86, 818,228.07 and 166,459.92

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Solution

The fourth proportional to 545,453.86, 818,228.07 and 166,459.92 is: 249,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,453.86 : 818,228.07 = 166,459.92 : x
  2. Step 2: Convert to fraction form
    545,453.86/818,228.07 = 166,459.92/x
  3. Step 3: Cross multiply
    545,453.86x = 818,228.07 × 166,459.92
  4. Step 4: Simplify right side
    545,453.86x = 136,202,179,073.95
  5. Step 5: Solve for x
    x = 136,202,179,073.95/545,453.86
  6. Step 6: Final answer
    x = 249,704.31

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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.