Finding the Fourth Proportional to 220,654.56, 304,557.68 and 125,218.76
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Solution
The fourth proportional to 220,654.56, 304,557.68 and 125,218.76 is: 172,832.75
Step by Step Solution
- Step 1: Write the proportion equation
220,654.56 : 304,557.68 = 125,218.76 : x - Step 2: Convert to fraction form
220,654.56/304,557.68 = 125,218.76/x - Step 3: Cross multiply
220,654.56x = 304,557.68 × 125,218.76 - Step 4: Simplify right side
220,654.56x = 38,136,335,038.08 - Step 5: Solve for x
x = 38,136,335,038.08/220,654.56 - Step 6: Final answer
x = 172,832.75
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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.