Finding the Fourth Proportional to 170,889.12, 235,815.84 and 94,407.84
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Solution
The fourth proportional to 170,889.12, 235,815.84 and 94,407.84 is: 130,276.66
Step by Step Solution
- Step 1: Write the proportion equation
170,889.12 : 235,815.84 = 94,407.84 : x - Step 2: Convert to fraction form
170,889.12/235,815.84 = 94,407.84/x - Step 3: Cross multiply
170,889.12x = 235,815.84 × 94,407.84 - Step 4: Simplify right side
170,889.12x = 22,262,864,092.19 - Step 5: Solve for x
x = 22,262,864,092.19/170,889.12 - Step 6: Final answer
x = 130,276.66
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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.