Finding the Fourth Proportional to 212,277.99, 292,821.98 and 132,651.75
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Solution
The fourth proportional to 212,277.99, 292,821.98 and 132,651.75 is: 182,983.40
Step by Step Solution
- Step 1: Write the proportion equation
212,277.99 : 292,821.98 = 132,651.75 : x - Step 2: Convert to fraction form
212,277.99/292,821.98 = 132,651.75/x - Step 3: Cross multiply
212,277.99x = 292,821.98 × 132,651.75 - Step 4: Simplify right side
212,277.99x = 38,843,347,422.21 - Step 5: Solve for x
x = 38,843,347,422.21/212,277.99 - Step 6: Final answer
x = 182,983.40
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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.