Finding the Fourth Proportional to 205,497.75, 308,246.63 and 57,753.75
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Solution
The fourth proportional to 205,497.75, 308,246.63 and 57,753.75 is: 86,630.63
Step by Step Solution
- Step 1: Write the proportion equation
205,497.75 : 308,246.63 = 57,753.75 : x - Step 2: Convert to fraction form
205,497.75/308,246.63 = 57,753.75/x - Step 3: Cross multiply
205,497.75x = 308,246.63 × 57,753.75 - Step 4: Simplify right side
205,497.75x = 17,802,398,518.59 - Step 5: Solve for x
x = 17,802,398,518.59/205,497.75 - Step 6: Final answer
x = 86,630.63
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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.