Finding the Fourth Proportional to 212,143.24, 292,768.19 and 131,596.71
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Solution
The fourth proportional to 212,143.24, 292,768.19 and 131,596.71 is: 181,609.99
Step by Step Solution
- Step 1: Write the proportion equation
212,143.24 : 292,768.19 = 131,596.71 : x - Step 2: Convert to fraction form
212,143.24/292,768.19 = 131,596.71/x - Step 3: Cross multiply
212,143.24x = 292,768.19 × 131,596.71 - Step 4: Simplify right side
212,143.24x = 38,527,329,938.67 - Step 5: Solve for x
x = 38,527,329,938.67/212,143.24 - Step 6: Final answer
x = 181,609.99
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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.