Finding the Fourth Proportional to 68,159.27, 102,230.71 and 18,243.23
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Solution
The fourth proportional to 68,159.27, 102,230.71 and 18,243.23 is: 27,362.64
Step by Step Solution
- Step 1: Write the proportion equation
68,159.27 : 102,230.71 = 18,243.23 : x - Step 2: Convert to fraction form
68,159.27/102,230.71 = 18,243.23/x - Step 3: Cross multiply
68,159.27x = 102,230.71 × 18,243.23 - Step 4: Simplify right side
68,159.27x = 1,865,017,798.83 - Step 5: Solve for x
x = 1,865,017,798.83/68,159.27 - Step 6: Final answer
x = 27,362.64
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1.5x scale
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.