Finding the Fourth Proportional to 421,268.06, 581,175.86 and 294,018.14
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Solution
The fourth proportional to 421,268.06, 581,175.86 and 294,018.14 is: 405,623.55
Step by Step Solution
- Step 1: Write the proportion equation
421,268.06 : 581,175.86 = 294,018.14 : x - Step 2: Convert to fraction form
421,268.06/581,175.86 = 294,018.14/x - Step 3: Cross multiply
421,268.06x = 581,175.86 × 294,018.14 - Step 4: Simplify right side
421,268.06x = 170,876,245,370.10 - Step 5: Solve for x
x = 170,876,245,370.10/421,268.06 - Step 6: Final answer
x = 405,623.55
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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.