Finding the Fourth Proportional to 235,433.76, 353,194.08 and 77,673.12
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Solution
The fourth proportional to 235,433.76, 353,194.08 and 77,673.12 is: 116,524.01
Step by Step Solution
- Step 1: Write the proportion equation
235,433.76 : 353,194.08 = 77,673.12 : x - Step 2: Convert to fraction form
235,433.76/353,194.08 = 77,673.12/x - Step 3: Cross multiply
235,433.76x = 353,194.08 × 77,673.12 - Step 4: Simplify right side
235,433.76x = 27,433,686,159.13 - Step 5: Solve for x
x = 27,433,686,159.13/235,433.76 - Step 6: Final answer
x = 116,524.01
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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.