Finding the Fourth Proportional to 147,629.80, 221,444.70 and 141,797.80
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Solution
The fourth proportional to 147,629.80, 221,444.70 and 141,797.80 is: 212,696.70
Step by Step Solution
- Step 1: Write the proportion equation
147,629.80 : 221,444.70 = 141,797.80 : x - Step 2: Convert to fraction form
147,629.80/221,444.70 = 141,797.80/x - Step 3: Cross multiply
147,629.80x = 221,444.70 × 141,797.80 - Step 4: Simplify right side
147,629.80x = 31,400,371,281.66 - Step 5: Solve for x
x = 31,400,371,281.66/147,629.80 - Step 6: Final answer
x = 212,696.70
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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.