Finding the Fourth Proportional to 316,560.48, 436,858.56 and 173,318.08
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Solution
The fourth proportional to 316,560.48, 436,858.56 and 173,318.08 is: 239,181.74
Step by Step Solution
- Step 1: Write the proportion equation
316,560.48 : 436,858.56 = 173,318.08 : x - Step 2: Convert to fraction form
316,560.48/436,858.56 = 173,318.08/x - Step 3: Cross multiply
316,560.48x = 436,858.56 × 173,318.08 - Step 4: Simplify right side
316,560.48x = 75,715,486,850.76 - Step 5: Solve for x
x = 75,715,486,850.76/316,560.48 - Step 6: Final answer
x = 239,181.74
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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.