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Finding the Fourth Proportional to 545,552.88, 818,329.38 and 166,475.60

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Solution

The fourth proportional to 545,552.88, 818,329.38 and 166,475.60 is: 249,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,552.88 : 818,329.38 = 166,475.60 : x
  2. Step 2: Convert to fraction form
    545,552.88/818,329.38 = 166,475.60/x
  3. Step 3: Cross multiply
    545,552.88x = 818,329.38 × 166,475.60
  4. Step 4: Simplify right side
    545,552.88x = 136,231,870,441.48
  5. Step 5: Solve for x
    x = 136,231,870,441.48/545,552.88
  6. Step 6: Final answer
    x = 249,713.41

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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.