Finding the Fourth Proportional to 220,963.44, 304,915.19 and 130,298.62
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Solution
The fourth proportional to 220,963.44, 304,915.19 and 130,298.62 is: 179,803.63
Step by Step Solution
- Step 1: Write the proportion equation
220,963.44 : 304,915.19 = 130,298.62 : x - Step 2: Convert to fraction form
220,963.44/304,915.19 = 130,298.62/x - Step 3: Cross multiply
220,963.44x = 304,915.19 × 130,298.62 - Step 4: Simplify right side
220,963.44x = 39,730,028,474.04 - Step 5: Solve for x
x = 39,730,028,474.04/220,963.44 - Step 6: Final answer
x = 179,803.63
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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.