Finding the Fourth Proportional to 284,489.10, 392,579.19 and 177,055.74
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Solution
The fourth proportional to 284,489.10, 392,579.19 and 177,055.74 is: 244,327.11
Step by Step Solution
- Step 1: Write the proportion equation
284,489.10 : 392,579.19 = 177,055.74 : x - Step 2: Convert to fraction form
284,489.10/392,579.19 = 177,055.74/x - Step 3: Cross multiply
284,489.10x = 392,579.19 × 177,055.74 - Step 4: Simplify right side
284,489.10x = 69,508,398,994.05 - Step 5: Solve for x
x = 69,508,398,994.05/284,489.10 - Step 6: Final answer
x = 244,327.11
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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.