Finding the Fourth Proportional to 170,269.88, 234,974.94 and 98,655.08
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Solution
The fourth proportional to 170,269.88, 234,974.94 and 98,655.08 is: 136,145.46
Step by Step Solution
- Step 1: Write the proportion equation
170,269.88 : 234,974.94 = 98,655.08 : x - Step 2: Convert to fraction form
170,269.88/234,974.94 = 98,655.08/x - Step 3: Cross multiply
170,269.88x = 234,974.94 × 98,655.08 - Step 4: Simplify right side
170,269.88x = 23,181,471,503.70 - Step 5: Solve for x
x = 23,181,471,503.70/170,269.88 - Step 6: Final answer
x = 136,145.46
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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.