Finding the Fourth Proportional to 353,293.71, 487,531.29 and 192,148.68
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Solution
The fourth proportional to 353,293.71, 487,531.29 and 192,148.68 is: 265,157.55
Step by Step Solution
- Step 1: Write the proportion equation
353,293.71 : 487,531.29 = 192,148.68 : x - Step 2: Convert to fraction form
353,293.71/487,531.29 = 192,148.68/x - Step 3: Cross multiply
353,293.71x = 487,531.29 × 192,148.68 - Step 4: Simplify right side
353,293.71x = 93,678,493,832.20 - Step 5: Solve for x
x = 93,678,493,832.20/353,293.71 - Step 6: Final answer
x = 265,157.55
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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.