Finding the Fourth Proportional to 218,805.84, 301,952.16 and 118,203.84
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Solution
The fourth proportional to 218,805.84, 301,952.16 and 118,203.84 is: 163,121.35
Step by Step Solution
- Step 1: Write the proportion equation
218,805.84 : 301,952.16 = 118,203.84 : x - Step 2: Convert to fraction form
218,805.84/301,952.16 = 118,203.84/x - Step 3: Cross multiply
218,805.84x = 301,952.16 × 118,203.84 - Step 4: Simplify right side
218,805.84x = 35,691,904,808.29 - Step 5: Solve for x
x = 35,691,904,808.29/218,805.84 - Step 6: Final answer
x = 163,121.35
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1.5x scale
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.