Finding the Fourth Proportional to 198,312.84, 297,173.88 and 109,591.74
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Solution
The fourth proportional to 198,312.84, 297,173.88 and 109,591.74 is: 164,224.38
Step by Step Solution
- Step 1: Write the proportion equation
198,312.84 : 297,173.88 = 109,591.74 : x - Step 2: Convert to fraction form
198,312.84/297,173.88 = 109,591.74/x - Step 3: Cross multiply
198,312.84x = 297,173.88 × 109,591.74 - Step 4: Simplify right side
198,312.84x = 32,567,802,591.75 - Step 5: Solve for x
x = 32,567,802,591.75/198,312.84 - Step 6: Final answer
x = 164,224.38
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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.