Finding the Fourth Proportional to 196,235.80, 270,913.98 and 135,071.08
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Solution
The fourth proportional to 196,235.80, 270,913.98 and 135,071.08 is: 186,472.82
Step by Step Solution
- Step 1: Write the proportion equation
196,235.80 : 270,913.98 = 135,071.08 : x - Step 2: Convert to fraction form
196,235.80/270,913.98 = 135,071.08/x - Step 3: Cross multiply
196,235.80x = 270,913.98 × 135,071.08 - Step 4: Simplify right side
196,235.80x = 36,592,643,865.70 - Step 5: Solve for x
x = 36,592,643,865.70/196,235.80 - Step 6: Final answer
x = 186,472.82
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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.