Finding the Fourth Proportional to 406,307.36, 560,517.98 and 263,113.52
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Solution
The fourth proportional to 406,307.36, 560,517.98 and 263,113.52 is: 362,976.09
Step by Step Solution
- Step 1: Write the proportion equation
406,307.36 : 560,517.98 = 263,113.52 : x - Step 2: Convert to fraction form
406,307.36/560,517.98 = 263,113.52/x - Step 3: Cross multiply
406,307.36x = 560,517.98 × 263,113.52 - Step 4: Simplify right side
406,307.36x = 147,479,858,741.09 - Step 5: Solve for x
x = 147,479,858,741.09/406,307.36 - Step 6: Final answer
x = 362,976.09
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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.