Finding the Fourth Proportional to 542,504.47, 748,849.92 and 370,299.18
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Solution
The fourth proportional to 542,504.47, 748,849.92 and 370,299.18 is: 511,145.12
Step by Step Solution
- Step 1: Write the proportion equation
542,504.47 : 748,849.92 = 370,299.18 : x - Step 2: Convert to fraction form
542,504.47/748,849.92 = 370,299.18/x - Step 3: Cross multiply
542,504.47x = 748,849.92 × 370,299.18 - Step 4: Simplify right side
542,504.47x = 277,298,511,319.07 - Step 5: Solve for x
x = 277,298,511,319.07/542,504.47 - Step 6: Final answer
x = 511,145.12
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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.