Finding the Fourth Proportional to 329,917.74, 455,278.37 and 186,676.53
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Solution
The fourth proportional to 329,917.74, 455,278.37 and 186,676.53 is: 257,609.02
Step by Step Solution
- Step 1: Write the proportion equation
329,917.74 : 455,278.37 = 186,676.53 : x - Step 2: Convert to fraction form
329,917.74/455,278.37 = 186,676.53/x - Step 3: Cross multiply
329,917.74x = 455,278.37 × 186,676.53 - Step 4: Simplify right side
329,917.74x = 84,989,785,362.27 - Step 5: Solve for x
x = 84,989,785,362.27/329,917.74 - Step 6: Final answer
x = 257,609.02
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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.