Finding the Fourth Proportional to 212,062.68, 292,524.48 and 127,130.40
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Solution
The fourth proportional to 212,062.68, 292,524.48 and 127,130.40 is: 175,366.80
Step by Step Solution
- Step 1: Write the proportion equation
212,062.68 : 292,524.48 = 127,130.40 : x - Step 2: Convert to fraction form
212,062.68/292,524.48 = 127,130.40/x - Step 3: Cross multiply
212,062.68x = 292,524.48 × 127,130.40 - Step 4: Simplify right side
212,062.68x = 37,188,754,152.19 - Step 5: Solve for x
x = 37,188,754,152.19/212,062.68 - Step 6: Final answer
x = 175,366.80
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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.