Finding the Fourth Proportional to 141,798.96, 212,702.57 and 53,035.53
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Solution
The fourth proportional to 141,798.96, 212,702.57 and 53,035.53 is: 79,554.84
Step by Step Solution
- Step 1: Write the proportion equation
141,798.96 : 212,702.57 = 53,035.53 : x - Step 2: Convert to fraction form
141,798.96/212,702.57 = 53,035.53/x - Step 3: Cross multiply
141,798.96x = 212,702.57 × 53,035.53 - Step 4: Simplify right side
141,798.96x = 11,280,793,532.31 - Step 5: Solve for x
x = 11,280,793,532.31/141,798.96 - Step 6: Final answer
x = 79,554.84
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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.