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Finding the Fourth Proportional to 544,507.60, 816,800.30 and 145,146.28

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Solution

The fourth proportional to 544,507.60, 816,800.30 and 145,146.28 is: 217,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,507.60 : 816,800.30 = 145,146.28 : x
  2. Step 2: Convert to fraction form
    544,507.60/816,800.30 = 145,146.28/x
  3. Step 3: Cross multiply
    544,507.60x = 816,800.30 × 145,146.28
  4. Step 4: Simplify right side
    544,507.60x = 118,555,525,047.88
  5. Step 5: Solve for x
    x = 118,555,525,047.88/544,507.60
  6. Step 6: Final answer
    x = 217,729.79

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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.