Finding the Fourth Proportional to 327,499.31, 491,248.96 and 90,841.99
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Solution
The fourth proportional to 327,499.31, 491,248.96 and 90,841.99 is: 136,262.98
Step by Step Solution
- Step 1: Write the proportion equation
327,499.31 : 491,248.96 = 90,841.99 : x - Step 2: Convert to fraction form
327,499.31/491,248.96 = 90,841.99/x - Step 3: Cross multiply
327,499.31x = 491,248.96 × 90,841.99 - Step 4: Simplify right side
327,499.31x = 44,626,030,655.59 - Step 5: Solve for x
x = 44,626,030,655.59/327,499.31 - Step 6: Final answer
x = 136,262.98
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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.