Finding the Fourth Proportional to 205,653.14, 283,815.79 and 115,017.53
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Solution
The fourth proportional to 205,653.14, 283,815.79 and 115,017.53 is: 158,732.28
Step by Step Solution
- Step 1: Write the proportion equation
205,653.14 : 283,815.79 = 115,017.53 : x - Step 2: Convert to fraction form
205,653.14/283,815.79 = 115,017.53/x - Step 3: Cross multiply
205,653.14x = 283,815.79 × 115,017.53 - Step 4: Simplify right side
205,653.14x = 32,643,792,080.94 - Step 5: Solve for x
x = 32,643,792,080.94/205,653.14 - Step 6: Final answer
x = 158,732.28
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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.