Finding the Fourth Proportional to 196,988.98, 295,512.62 and 72,320.26
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Solution
The fourth proportional to 196,988.98, 295,512.62 and 72,320.26 is: 108,491.09
Step by Step Solution
- Step 1: Write the proportion equation
196,988.98 : 295,512.62 = 72,320.26 : x - Step 2: Convert to fraction form
196,988.98/295,512.62 = 72,320.26/x - Step 3: Cross multiply
196,988.98x = 295,512.62 × 72,320.26 - Step 4: Simplify right side
196,988.98x = 21,371,549,511.68 - Step 5: Solve for x
x = 21,371,549,511.68/196,988.98 - Step 6: Final answer
x = 108,491.09
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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.