Finding the Fourth Proportional to 319,452.20, 478,925.36 and 159,445.82
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Solution
The fourth proportional to 319,452.20, 478,925.36 and 159,445.82 is: 239,042.47
Step by Step Solution
- Step 1: Write the proportion equation
319,452.20 : 478,925.36 = 159,445.82 : x - Step 2: Convert to fraction form
319,452.20/478,925.36 = 159,445.82/x - Step 3: Cross multiply
319,452.20x = 478,925.36 × 159,445.82 - Step 4: Simplify right side
319,452.20x = 76,362,645,048.05 - Step 5: Solve for x
x = 76,362,645,048.05/319,452.20 - Step 6: Final answer
x = 239,042.47
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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.