Finding the Fourth Proportional to 201,095.47, 301,682.09 and 76,426.75
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Solution
The fourth proportional to 201,095.47, 301,682.09 and 76,426.75 is: 114,654.90
Step by Step Solution
- Step 1: Write the proportion equation
201,095.47 : 301,682.09 = 76,426.75 : x - Step 2: Convert to fraction form
201,095.47/301,682.09 = 76,426.75/x - Step 3: Cross multiply
201,095.47x = 301,682.09 × 76,426.75 - Step 4: Simplify right side
201,095.47x = 23,056,581,671.91 - Step 5: Solve for x
x = 23,056,581,671.91/201,095.47 - Step 6: Final answer
x = 114,654.90
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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.