Finding the Fourth Proportional to 496,142.89, 684,728.03 and 292,257.99
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Solution
The fourth proportional to 496,142.89, 684,728.03 and 292,257.99 is: 403,345.98
Step by Step Solution
- Step 1: Write the proportion equation
496,142.89 : 684,728.03 = 292,257.99 : x - Step 2: Convert to fraction form
496,142.89/684,728.03 = 292,257.99/x - Step 3: Cross multiply
496,142.89x = 684,728.03 × 292,257.99 - Step 4: Simplify right side
496,142.89x = 200,117,238,475.11 - Step 5: Solve for x
x = 200,117,238,475.11/496,142.89 - Step 6: Final answer
x = 403,345.98
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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.