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Finding the Fourth Proportional to 490,561.59, 735,525.72 and 234,255.51

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Solution

The fourth proportional to 490,561.59, 735,525.72 and 234,255.51 is: 351,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,561.59 : 735,525.72 = 234,255.51 : x
  2. Step 2: Convert to fraction form
    490,561.59/735,525.72 = 234,255.51/x
  3. Step 3: Cross multiply
    490,561.59x = 735,525.72 × 234,255.51
  4. Step 4: Simplify right side
    490,561.59x = 172,300,952,656.72
  5. Step 5: Solve for x
    x = 172,300,952,656.72/490,561.59
  6. Step 6: Final answer
    x = 351,232.05

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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.