Finding the Fourth Proportional to 146,368.67, 201,988.72 and 79,300.67
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Solution
The fourth proportional to 146,368.67, 201,988.72 and 79,300.67 is: 109,434.90
Step by Step Solution
- Step 1: Write the proportion equation
146,368.67 : 201,988.72 = 79,300.67 : x - Step 2: Convert to fraction form
146,368.67/201,988.72 = 79,300.67/x - Step 3: Cross multiply
146,368.67x = 201,988.72 × 79,300.67 - Step 4: Simplify right side
146,368.67x = 16,017,840,828.44 - Step 5: Solve for x
x = 16,017,840,828.44/146,368.67 - Step 6: Final answer
x = 109,434.90
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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.