Finding the Fourth Proportional to 149,863.71, 223,702.28 and 130,946.49
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Solution
The fourth proportional to 149,863.71, 223,702.28 and 130,946.49 is: 195,464.45
Step by Step Solution
- Step 1: Write the proportion equation
149,863.71 : 223,702.28 = 130,946.49 : x - Step 2: Convert to fraction form
149,863.71/223,702.28 = 130,946.49/x - Step 3: Cross multiply
149,863.71x = 223,702.28 × 130,946.49 - Step 4: Simplify right side
149,863.71x = 29,293,027,716.26 - Step 5: Solve for x
x = 29,293,027,716.26/149,863.71 - Step 6: Final answer
x = 195,464.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.