Finding the Fourth Proportional to 88,369.21, 132,630.21 and 46,278.74
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Solution
The fourth proportional to 88,369.21, 132,630.21 and 46,278.74 is: 69,458.12
Step by Step Solution
- Step 1: Write the proportion equation
88,369.21 : 132,630.21 = 46,278.74 : x - Step 2: Convert to fraction form
88,369.21/132,630.21 = 46,278.74/x - Step 3: Cross multiply
88,369.21x = 132,630.21 × 46,278.74 - Step 4: Simplify right side
88,369.21x = 6,137,959,336.31 - Step 5: Solve for x
x = 6,137,959,336.31/88,369.21 - Step 6: Final answer
x = 69,458.12
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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.