Finding the Fourth Proportional to 256,547.60, 354,161.94 and 161,106.92
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Solution
The fourth proportional to 256,547.60, 354,161.94 and 161,106.92 is: 222,406.83
Step by Step Solution
- Step 1: Write the proportion equation
256,547.60 : 354,161.94 = 161,106.92 : x - Step 2: Convert to fraction form
256,547.60/354,161.94 = 161,106.92/x - Step 3: Cross multiply
256,547.60x = 354,161.94 × 161,106.92 - Step 4: Simplify right side
256,547.60x = 57,057,939,334.62 - Step 5: Solve for x
x = 57,057,939,334.62/256,547.60 - Step 6: Final answer
x = 222,406.83
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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.