Finding the Fourth Proportional to 256,148.26, 353,712.11 and 159,518.05
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Solution
The fourth proportional to 256,148.26, 353,712.11 and 159,518.05 is: 220,276.58
Step by Step Solution
- Step 1: Write the proportion equation
256,148.26 : 353,712.11 = 159,518.05 : x - Step 2: Convert to fraction form
256,148.26/353,712.11 = 159,518.05/x - Step 3: Cross multiply
256,148.26x = 353,712.11 × 159,518.05 - Step 4: Simplify right side
256,148.26x = 56,423,463,482.43 - Step 5: Solve for x
x = 56,423,463,482.43/256,148.26 - Step 6: Final answer
x = 220,276.58
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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.