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Finding the Fourth Proportional to 545,474.71, 818,259.42 and 166,480.79

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Solution

The fourth proportional to 545,474.71, 818,259.42 and 166,480.79 is: 249,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,474.71 : 818,259.42 = 166,480.79 : x
  2. Step 2: Convert to fraction form
    545,474.71/818,259.42 = 166,480.79/x
  3. Step 3: Cross multiply
    545,474.71x = 818,259.42 × 166,480.79
  4. Step 4: Simplify right side
    545,474.71x = 136,224,474,666.54
  5. Step 5: Solve for x
    x = 136,224,474,666.54/545,474.71
  6. Step 6: Final answer
    x = 249,735.64

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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.