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Finding the Fourth Proportional to 545,706.48, 818,559.78 and 208,850.47

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Solution

The fourth proportional to 545,706.48, 818,559.78 and 208,850.47 is: 313,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,706.48 : 818,559.78 = 208,850.47 : x
  2. Step 2: Convert to fraction form
    545,706.48/818,559.78 = 208,850.47/x
  3. Step 3: Cross multiply
    545,706.48x = 818,559.78 × 208,850.47
  4. Step 4: Simplify right side
    545,706.48x = 170,956,591,946.51
  5. Step 5: Solve for x
    x = 170,956,591,946.51/545,706.48
  6. Step 6: Final answer
    x = 313,275.72

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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.