Finding the Fourth Proportional to 790,935.42, 1,186,605.36 and 229,969.92
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Solution
The fourth proportional to 790,935.42, 1,186,605.36 and 229,969.92 is: 345,013.68
Step by Step Solution
- Step 1: Write the proportion equation
790,935.42 : 1,186,605.36 = 229,969.92 : x - Step 2: Convert to fraction form
790,935.42/1,186,605.36 = 229,969.92/x - Step 3: Cross multiply
790,935.42x = 1,186,605.36 × 229,969.92 - Step 4: Simplify right side
790,935.42x = 272,883,539,710.77 - Step 5: Solve for x
x = 272,883,539,710.77/790,935.42 - Step 6: Final answer
x = 345,013.68
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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.