Finding the Fourth Proportional to 264,115.68, 364,476.56 and 143,254.80
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Solution
The fourth proportional to 264,115.68, 364,476.56 and 143,254.80 is: 197,689.95
Step by Step Solution
- Step 1: Write the proportion equation
264,115.68 : 364,476.56 = 143,254.80 : x - Step 2: Convert to fraction form
264,115.68/364,476.56 = 143,254.80/x - Step 3: Cross multiply
264,115.68x = 364,476.56 × 143,254.80 - Step 4: Simplify right side
264,115.68x = 52,213,016,707.49 - Step 5: Solve for x
x = 52,213,016,707.49/264,115.68 - Step 6: Final answer
x = 197,689.95
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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.