Finding the Fourth Proportional to 143,135.19, 214,702.80 and 44,639.19
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Solution
The fourth proportional to 143,135.19, 214,702.80 and 44,639.19 is: 66,958.79
Step by Step Solution
- Step 1: Write the proportion equation
143,135.19 : 214,702.80 = 44,639.19 : x - Step 2: Convert to fraction form
143,135.19/214,702.80 = 44,639.19/x - Step 3: Cross multiply
143,135.19x = 214,702.80 × 44,639.19 - Step 4: Simplify right side
143,135.19x = 9,584,159,082.73 - Step 5: Solve for x
x = 9,584,159,082.73/143,135.19 - Step 6: Final answer
x = 66,958.79
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1.5x scale
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.