Finding the Fourth Proportional to 217,189.62, 299,561.49 and 136,552.50
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Solution
The fourth proportional to 217,189.62, 299,561.49 and 136,552.50 is: 188,341.74
Step by Step Solution
- Step 1: Write the proportion equation
217,189.62 : 299,561.49 = 136,552.50 : x - Step 2: Convert to fraction form
217,189.62/299,561.49 = 136,552.50/x - Step 3: Cross multiply
217,189.62x = 299,561.49 × 136,552.50 - Step 4: Simplify right side
217,189.62x = 40,905,870,363.23 - Step 5: Solve for x
x = 40,905,870,363.23/217,189.62 - Step 6: Final answer
x = 188,341.74
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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.