Finding the Fourth Proportional to 288,477.68, 398,072.36 and 167,617.68
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Solution
The fourth proportional to 288,477.68, 398,072.36 and 167,617.68 is: 231,296.80
Step by Step Solution
- Step 1: Write the proportion equation
288,477.68 : 398,072.36 = 167,617.68 : x - Step 2: Convert to fraction form
288,477.68/398,072.36 = 167,617.68/x - Step 3: Cross multiply
288,477.68x = 398,072.36 × 167,617.68 - Step 4: Simplify right side
288,477.68x = 66,723,965,455.32 - Step 5: Solve for x
x = 66,723,965,455.32/288,477.68 - Step 6: Final answer
x = 231,296.80
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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.