Finding the Fourth Proportional to 256,484.58, 384,733.44 and 121,517.05
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Solution
The fourth proportional to 256,484.58, 384,733.44 and 121,517.05 is: 182,278.68
Step by Step Solution
- Step 1: Write the proportion equation
256,484.58 : 384,733.44 = 121,517.05 : x - Step 2: Convert to fraction form
256,484.58/384,733.44 = 121,517.05/x - Step 3: Cross multiply
256,484.58x = 384,733.44 × 121,517.05 - Step 4: Simplify right side
256,484.58x = 46,751,671,703.32 - Step 5: Solve for x
x = 46,751,671,703.32/256,484.58 - Step 6: Final answer
x = 182,278.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.