Finding the Fourth Proportional to 143,959.07, 215,977.84 and 44,117.05
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Solution
The fourth proportional to 143,959.07, 215,977.84 and 44,117.05 is: 66,187.60
Step by Step Solution
- Step 1: Write the proportion equation
143,959.07 : 215,977.84 = 44,117.05 : x - Step 2: Convert to fraction form
143,959.07/215,977.84 = 44,117.05/x - Step 3: Cross multiply
143,959.07x = 215,977.84 × 44,117.05 - Step 4: Simplify right side
143,959.07x = 9,528,305,166.17 - Step 5: Solve for x
x = 9,528,305,166.17/143,959.07 - Step 6: Final answer
x = 66,187.60
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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.