Finding the Fourth Proportional to 141,528.63, 212,292.95 and 36,347.70
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Solution
The fourth proportional to 141,528.63, 212,292.95 and 36,347.70 is: 54,521.56
Step by Step Solution
- Step 1: Write the proportion equation
141,528.63 : 212,292.95 = 36,347.70 : x - Step 2: Convert to fraction form
141,528.63/212,292.95 = 36,347.70/x - Step 3: Cross multiply
141,528.63x = 212,292.95 × 36,347.70 - Step 4: Simplify right side
141,528.63x = 7,716,361,277.53 - Step 5: Solve for x
x = 7,716,361,277.53/141,528.63 - Step 6: Final answer
x = 54,521.56
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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.