Finding the Fourth Proportional to 205,756.57, 283,932.57 and 115,095.03
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Solution
The fourth proportional to 205,756.57, 283,932.57 and 115,095.03 is: 158,824.71
Step by Step Solution
- Step 1: Write the proportion equation
205,756.57 : 283,932.57 = 115,095.03 : x - Step 2: Convert to fraction form
205,756.57/283,932.57 = 115,095.03/x - Step 3: Cross multiply
205,756.57x = 283,932.57 × 115,095.03 - Step 4: Simplify right side
205,756.57x = 32,679,227,662.13 - Step 5: Solve for x
x = 32,679,227,662.13/205,756.57 - Step 6: Final answer
x = 158,824.71
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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.