Finding the Fourth Proportional to 220,784.08, 304,721.79 and 130,134.75
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Solution
The fourth proportional to 220,784.08, 304,721.79 and 130,134.75 is: 179,609.39
Step by Step Solution
- Step 1: Write the proportion equation
220,784.08 : 304,721.79 = 130,134.75 : x - Step 2: Convert to fraction form
220,784.08/304,721.79 = 130,134.75/x - Step 3: Cross multiply
220,784.08x = 304,721.79 × 130,134.75 - Step 4: Simplify right side
220,784.08x = 39,654,894,342.10 - Step 5: Solve for x
x = 39,654,894,342.10/220,784.08 - Step 6: Final answer
x = 179,609.39
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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.