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Finding the Fourth Proportional to 350,263.22, 525,392.39 and 137,052.59

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Solution

The fourth proportional to 350,263.22, 525,392.39 and 137,052.59 is: 205,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,263.22 : 525,392.39 = 137,052.59 : x
  2. Step 2: Convert to fraction form
    350,263.22/525,392.39 = 137,052.59/x
  3. Step 3: Cross multiply
    350,263.22x = 525,392.39 × 137,052.59
  4. Step 4: Simplify right side
    350,263.22x = 72,006,385,531.46
  5. Step 5: Solve for x
    x = 72,006,385,531.46/350,263.22
  6. Step 6: Final answer
    x = 205,577.93

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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.