Finding the Fourth Proportional to 170,832.64, 235,746.48 and 99,252.80
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Solution
The fourth proportional to 170,832.64, 235,746.48 and 99,252.80 is: 136,967.37
Step by Step Solution
- Step 1: Write the proportion equation
170,832.64 : 235,746.48 = 99,252.80 : x - Step 2: Convert to fraction form
170,832.64/235,746.48 = 99,252.80/x - Step 3: Cross multiply
170,832.64x = 235,746.48 × 99,252.80 - Step 4: Simplify right side
170,832.64x = 23,398,498,230.14 - Step 5: Solve for x
x = 23,398,498,230.14/170,832.64 - Step 6: Final answer
x = 136,967.37
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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.