Finding the Fourth Proportional to 461,143.26, 636,376.14 and 257,194.44
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Solution
The fourth proportional to 461,143.26, 636,376.14 and 257,194.44 is: 354,927.46
Step by Step Solution
- Step 1: Write the proportion equation
461,143.26 : 636,376.14 = 257,194.44 : x - Step 2: Convert to fraction form
461,143.26/636,376.14 = 257,194.44/x - Step 3: Cross multiply
461,143.26x = 636,376.14 × 257,194.44 - Step 4: Simplify right side
461,143.26x = 163,672,404,956.66 - Step 5: Solve for x
x = 163,672,404,956.66/461,143.26 - Step 6: Final answer
x = 354,927.46
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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.