Finding the Fourth Proportional to 351,934.91, 528,034.29 and 162,486.03
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Solution
The fourth proportional to 351,934.91, 528,034.29 and 162,486.03 is: 243,789.96
Step by Step Solution
- Step 1: Write the proportion equation
351,934.91 : 528,034.29 = 162,486.03 : x - Step 2: Convert to fraction form
351,934.91/528,034.29 = 162,486.03/x - Step 3: Cross multiply
351,934.91x = 528,034.29 × 162,486.03 - Step 4: Simplify right side
351,934.91x = 85,798,197,770.76 - Step 5: Solve for x
x = 85,798,197,770.76/351,934.91 - Step 6: Final answer
x = 243,789.96
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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.