Finding the Fourth Proportional to 316,115.59, 436,730.71 and 265,049.14
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Solution
The fourth proportional to 316,115.59, 436,730.71 and 265,049.14 is: 366,179.66
Step by Step Solution
- Step 1: Write the proportion equation
316,115.59 : 436,730.71 = 265,049.14 : x - Step 2: Convert to fraction form
316,115.59/436,730.71 = 265,049.14/x - Step 3: Cross multiply
316,115.59x = 436,730.71 × 265,049.14 - Step 4: Simplify right side
316,115.59x = 115,755,096,913.44 - Step 5: Solve for x
x = 115,755,096,913.44/316,115.59 - Step 6: Final answer
x = 366,179.66
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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.