Finding the Fourth Proportional to 345,322.80, 476,618.94 and 232,079.94
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Solution
The fourth proportional to 345,322.80, 476,618.94 and 232,079.94 is: 320,319.70
Step by Step Solution
- Step 1: Write the proportion equation
345,322.80 : 476,618.94 = 232,079.94 : x - Step 2: Convert to fraction form
345,322.80/476,618.94 = 232,079.94/x - Step 3: Cross multiply
345,322.80x = 476,618.94 × 232,079.94 - Step 4: Simplify right side
345,322.80x = 110,613,694,998.06 - Step 5: Solve for x
x = 110,613,694,998.06/345,322.80 - Step 6: Final answer
x = 320,319.70
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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.