Finding the Fourth Proportional to 239,391.74, 358,639.14 and 214,744.26
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Solution
The fourth proportional to 239,391.74, 358,639.14 and 214,744.26 is: 321,714.09
Step by Step Solution
- Step 1: Write the proportion equation
239,391.74 : 358,639.14 = 214,744.26 : x - Step 2: Convert to fraction form
239,391.74/358,639.14 = 214,744.26/x - Step 3: Cross multiply
239,391.74x = 358,639.14 × 214,744.26 - Step 4: Simplify right side
239,391.74x = 77,015,696,726.34 - Step 5: Solve for x
x = 77,015,696,726.34/239,391.74 - Step 6: Final answer
x = 321,714.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.