Finding the Fourth Proportional to 168,493.62, 232,511.67 and 100,587.27
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Solution
The fourth proportional to 168,493.62, 232,511.67 and 100,587.27 is: 138,804.75
Step by Step Solution
- Step 1: Write the proportion equation
168,493.62 : 232,511.67 = 100,587.27 : x - Step 2: Convert to fraction form
168,493.62/232,511.67 = 100,587.27/x - Step 3: Cross multiply
168,493.62x = 232,511.67 × 100,587.27 - Step 4: Simplify right side
168,493.62x = 23,387,714,128.44 - Step 5: Solve for x
x = 23,387,714,128.44/168,493.62 - Step 6: Final answer
x = 138,804.75
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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.