Finding the Fourth Proportional to 170,990.08, 235,843.92 and 120,014.18
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Solution
The fourth proportional to 170,990.08, 235,843.92 and 120,014.18 is: 165,533.66
Step by Step Solution
- Step 1: Write the proportion equation
170,990.08 : 235,843.92 = 120,014.18 : x - Step 2: Convert to fraction form
170,990.08/235,843.92 = 120,014.18/x - Step 3: Cross multiply
170,990.08x = 235,843.92 × 120,014.18 - Step 4: Simplify right side
170,990.08x = 28,304,612,887.50 - Step 5: Solve for x
x = 28,304,612,887.50/170,990.08 - Step 6: Final answer
x = 165,533.66
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1.5x scale
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.