Finding the Fourth Proportional to 205,760.07, 283,937.40 and 115,098.53
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Solution
The fourth proportional to 205,760.07, 283,937.40 and 115,098.53 is: 158,829.53
Step by Step Solution
- Step 1: Write the proportion equation
205,760.07 : 283,937.40 = 115,098.53 : x - Step 2: Convert to fraction form
205,760.07/283,937.40 = 115,098.53/x - Step 3: Cross multiply
205,760.07x = 283,937.40 × 115,098.53 - Step 4: Simplify right side
205,760.07x = 32,680,775,932.34 - Step 5: Solve for x
x = 32,680,775,932.34/205,760.07 - Step 6: Final answer
x = 158,829.53
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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.