Finding the Fourth Proportional to 170,866.08, 235,777.20 and 99,232.08
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Solution
The fourth proportional to 170,866.08, 235,777.20 and 99,232.08 is: 136,929.82
Step by Step Solution
- Step 1: Write the proportion equation
170,866.08 : 235,777.20 = 99,232.08 : x - Step 2: Convert to fraction form
170,866.08/235,777.20 = 99,232.08/x - Step 3: Cross multiply
170,866.08x = 235,777.20 × 99,232.08 - Step 4: Simplify right side
170,866.08x = 23,396,661,972.58 - Step 5: Solve for x
x = 23,396,661,972.58/170,866.08 - Step 6: Final answer
x = 136,929.82
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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.