Home / 250,489.26-345,677.22-137,312.82

Finding the Fourth Proportional to 250,489.26, 345,677.22 and 137,312.82

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Solution

The fourth proportional to 250,489.26, 345,677.22 and 137,312.82 is: 189,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,489.26 : 345,677.22 = 137,312.82 : x
  2. Step 2: Convert to fraction form
    250,489.26/345,677.22 = 137,312.82/x
  3. Step 3: Cross multiply
    250,489.26x = 345,677.22 × 137,312.82
  4. Step 4: Simplify right side
    250,489.26x = 47,465,913,887.96
  5. Step 5: Solve for x
    x = 47,465,913,887.96/250,489.26
  6. Step 6: Final answer
    x = 189,492.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.