Finding the Fourth Proportional to 214,961.80, 296,950.81 and 172,225.09
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Solution
The fourth proportional to 214,961.80, 296,950.81 and 172,225.09 is: 237,913.80
Step by Step Solution
- Step 1: Write the proportion equation
214,961.80 : 296,950.81 = 172,225.09 : x - Step 2: Convert to fraction form
214,961.80/296,950.81 = 172,225.09/x - Step 3: Cross multiply
214,961.80x = 296,950.81 × 172,225.09 - Step 4: Simplify right side
214,961.80x = 51,142,377,631.94 - Step 5: Solve for x
x = 51,142,377,631.94/214,961.80 - Step 6: Final answer
x = 237,913.80
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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.