Finding the Fourth Proportional to 243,597.65, 336,163.77 and 136,167.62
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Solution
The fourth proportional to 243,597.65, 336,163.77 and 136,167.62 is: 187,910.76
Step by Step Solution
- Step 1: Write the proportion equation
243,597.65 : 336,163.77 = 136,167.62 : x - Step 2: Convert to fraction form
243,597.65/336,163.77 = 136,167.62/x - Step 3: Cross multiply
243,597.65x = 336,163.77 × 136,167.62 - Step 4: Simplify right side
243,597.65x = 45,774,618,810.31 - Step 5: Solve for x
x = 45,774,618,810.31/243,597.65 - Step 6: Final answer
x = 187,910.76
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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.