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Finding the Fourth Proportional to 350,387.64, 525,574.08 and 113,729.94

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Solution

The fourth proportional to 350,387.64, 525,574.08 and 113,729.94 is: 170,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,387.64 : 525,574.08 = 113,729.94 : x
  2. Step 2: Convert to fraction form
    350,387.64/525,574.08 = 113,729.94/x
  3. Step 3: Cross multiply
    350,387.64x = 525,574.08 × 113,729.94
  4. Step 4: Simplify right side
    350,387.64x = 59,773,508,583.96
  5. Step 5: Solve for x
    x = 59,773,508,583.96/350,387.64
  6. Step 6: Final answer
    x = 170,592.51

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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.