Finding the Fourth Proportional to 542,680.88, 814,509.20 and 290,177.19
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Solution
The fourth proportional to 542,680.88, 814,509.20 and 290,177.19 is: 435,526.66
Step by Step Solution
- Step 1: Write the proportion equation
542,680.88 : 814,509.20 = 290,177.19 : x - Step 2: Convert to fraction form
542,680.88/814,509.20 = 290,177.19/x - Step 3: Cross multiply
542,680.88x = 814,509.20 × 290,177.19 - Step 4: Simplify right side
542,680.88x = 236,351,989,434.26 - Step 5: Solve for x
x = 236,351,989,434.26/542,680.88 - Step 6: Final answer
x = 435,526.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.