Finding the Fourth Proportional to 264,866.51, 397,290.98 and 115,106.95
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Solution
The fourth proportional to 264,866.51, 397,290.98 and 115,106.95 is: 172,656.60
Step by Step Solution
- Step 1: Write the proportion equation
264,866.51 : 397,290.98 = 115,106.95 : x - Step 2: Convert to fraction form
264,866.51/397,290.98 = 115,106.95/x - Step 3: Cross multiply
264,866.51x = 397,290.98 × 115,106.95 - Step 4: Simplify right side
264,866.51x = 45,730,951,022.07 - Step 5: Solve for x
x = 45,730,951,022.07/264,866.51 - Step 6: Final answer
x = 172,656.60
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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.