Finding the Fourth Proportional to 382,587.24, 527,961.06 and 221,419.92
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Solution
The fourth proportional to 382,587.24, 527,961.06 and 221,419.92 is: 305,554.09
Step by Step Solution
- Step 1: Write the proportion equation
382,587.24 : 527,961.06 = 221,419.92 : x - Step 2: Convert to fraction form
382,587.24/527,961.06 = 221,419.92/x - Step 3: Cross multiply
382,587.24x = 527,961.06 × 221,419.92 - Step 4: Simplify right side
382,587.24x = 116,901,095,668.32 - Step 5: Solve for x
x = 116,901,095,668.32/382,587.24 - Step 6: Final answer
x = 305,554.09
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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.