Finding the Fourth Proportional to 329,194.48, 493,689.64 and 118,805.08
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Solution
The fourth proportional to 329,194.48, 493,689.64 and 118,805.08 is: 178,170.78
Step by Step Solution
- Step 1: Write the proportion equation
329,194.48 : 493,689.64 = 118,805.08 : x - Step 2: Convert to fraction form
329,194.48/493,689.64 = 118,805.08/x - Step 3: Cross multiply
329,194.48x = 493,689.64 × 118,805.08 - Step 4: Simplify right side
329,194.48x = 58,652,837,175.37 - Step 5: Solve for x
x = 58,652,837,175.37/329,194.48 - Step 6: Final answer
x = 178,170.78
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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.