Finding the Fourth Proportional to 316,502.76, 436,735.08 and 252,135.96
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Solution
The fourth proportional to 316,502.76, 436,735.08 and 252,135.96 is: 347,916.77
Step by Step Solution
- Step 1: Write the proportion equation
316,502.76 : 436,735.08 = 252,135.96 : x - Step 2: Convert to fraction form
316,502.76/436,735.08 = 252,135.96/x - Step 3: Cross multiply
316,502.76x = 436,735.08 × 252,135.96 - Step 4: Simplify right side
316,502.76x = 110,116,618,661.48 - Step 5: Solve for x
x = 110,116,618,661.48/316,502.76 - Step 6: Final answer
x = 347,916.77
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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.