Finding the Fourth Proportional to 203,629.91, 304,946.34 and 143,510.63
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Solution
The fourth proportional to 203,629.91, 304,946.34 and 143,510.63 is: 214,914.60
Step by Step Solution
- Step 1: Write the proportion equation
203,629.91 : 304,946.34 = 143,510.63 : x - Step 2: Convert to fraction form
203,629.91/304,946.34 = 143,510.63/x - Step 3: Cross multiply
203,629.91x = 304,946.34 × 143,510.63 - Step 4: Simplify right side
203,629.91x = 43,763,039,844.86 - Step 5: Solve for x
x = 43,763,039,844.86/203,629.91 - Step 6: Final answer
x = 214,914.60
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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.