Finding the Fourth Proportional to 322,403.18, 482,974.18 and 265,558.70
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Solution
The fourth proportional to 322,403.18, 482,974.18 and 265,558.70 is: 397,818.63
Step by Step Solution
- Step 1: Write the proportion equation
322,403.18 : 482,974.18 = 265,558.70 : x - Step 2: Convert to fraction form
322,403.18/482,974.18 = 265,558.70/x - Step 3: Cross multiply
322,403.18x = 482,974.18 × 265,558.70 - Step 4: Simplify right side
322,403.18x = 128,257,992,301.42 - Step 5: Solve for x
x = 128,257,992,301.42/322,403.18 - Step 6: Final answer
x = 397,818.63
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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.