Finding the Fourth Proportional to 424,441.12, 585,811.96 and 243,274.49
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Solution
The fourth proportional to 424,441.12, 585,811.96 and 243,274.49 is: 335,766.50
Step by Step Solution
- Step 1: Write the proportion equation
424,441.12 : 585,811.96 = 243,274.49 : x - Step 2: Convert to fraction form
424,441.12/585,811.96 = 243,274.49/x - Step 3: Cross multiply
424,441.12x = 585,811.96 × 243,274.49 - Step 4: Simplify right side
424,441.12x = 142,513,106,661.24 - Step 5: Solve for x
x = 142,513,106,661.24/424,441.12 - Step 6: Final answer
x = 335,766.50
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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.