Finding the Fourth Proportional to 147,543.14, 203,601.93 and 80,462.18
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Solution
The fourth proportional to 147,543.14, 203,601.93 and 80,462.18 is: 111,033.66
Step by Step Solution
- Step 1: Write the proportion equation
147,543.14 : 203,601.93 = 80,462.18 : x - Step 2: Convert to fraction form
147,543.14/203,601.93 = 80,462.18/x - Step 3: Cross multiply
147,543.14x = 203,601.93 × 80,462.18 - Step 4: Simplify right side
147,543.14x = 16,382,255,140.01 - Step 5: Solve for x
x = 16,382,255,140.01/147,543.14 - Step 6: Final answer
x = 111,033.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.