Finding the Fourth Proportional to 220,497.80, 304,261.62 and 124,985.48
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Solution
The fourth proportional to 220,497.80, 304,261.62 and 124,985.48 is: 172,465.60
Step by Step Solution
- Step 1: Write the proportion equation
220,497.80 : 304,261.62 = 124,985.48 : x - Step 2: Convert to fraction form
220,497.80/304,261.62 = 124,985.48/x - Step 3: Cross multiply
220,497.80x = 304,261.62 × 124,985.48 - Step 4: Simplify right side
220,497.80x = 38,028,284,621.28 - Step 5: Solve for x
x = 38,028,284,621.28/220,497.80 - Step 6: Final answer
x = 172,465.60
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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.