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Finding the Fourth Proportional to 545,429.70, 817,765.09 and 241,659.05

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Solution

The fourth proportional to 545,429.70, 817,765.09 and 241,659.05 is: 362,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,429.70 : 817,765.09 = 241,659.05 : x
  2. Step 2: Convert to fraction form
    545,429.70/817,765.09 = 241,659.05/x
  3. Step 3: Cross multiply
    545,429.70x = 817,765.09 × 241,659.05
  4. Step 4: Simplify right side
    545,429.70x = 197,620,330,079.59
  5. Step 5: Solve for x
    x = 197,620,330,079.59/545,429.70
  6. Step 6: Final answer
    x = 362,320.44

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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.