Finding the Fourth Proportional to 331,474.61, 497,428.74 and 181,820.26
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Solution
The fourth proportional to 331,474.61, 497,428.74 and 181,820.26 is: 272,849.31
Step by Step Solution
- Step 1: Write the proportion equation
331,474.61 : 497,428.74 = 181,820.26 : x - Step 2: Convert to fraction form
331,474.61/497,428.74 = 181,820.26/x - Step 3: Cross multiply
331,474.61x = 497,428.74 × 181,820.26 - Step 4: Simplify right side
331,474.61x = 90,442,620,351.13 - Step 5: Solve for x
x = 90,442,620,351.13/331,474.61 - Step 6: Final answer
x = 272,849.31
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1.5x scale
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.