Finding the Fourth Proportional to 356,738.14, 492,279.82 and 203,746.26
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Solution
The fourth proportional to 356,738.14, 492,279.82 and 203,746.26 is: 281,159.09
Step by Step Solution
- Step 1: Write the proportion equation
356,738.14 : 492,279.82 = 203,746.26 : x - Step 2: Convert to fraction form
356,738.14/492,279.82 = 203,746.26/x - Step 3: Cross multiply
356,738.14x = 492,279.82 × 203,746.26 - Step 4: Simplify right side
356,738.14x = 100,300,172,198.47 - Step 5: Solve for x
x = 100,300,172,198.47/356,738.14 - Step 6: Final answer
x = 281,159.09
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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.