Finding the Fourth Proportional to 493,014.15, 738,147.47 and 315,081.99
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Solution
The fourth proportional to 493,014.15, 738,147.47 and 315,081.99 is: 471,745.02
Step by Step Solution
- Step 1: Write the proportion equation
493,014.15 : 738,147.47 = 315,081.99 : x - Step 2: Convert to fraction form
493,014.15/738,147.47 = 315,081.99/x - Step 3: Cross multiply
493,014.15x = 738,147.47 × 315,081.99 - Step 4: Simplify right side
493,014.15x = 232,576,972,185.66 - Step 5: Solve for x
x = 232,576,972,185.66/493,014.15 - Step 6: Final answer
x = 471,745.02
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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.