Finding the Fourth Proportional to 143,588.08, 198,149.08 and 79,924.08
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Solution
The fourth proportional to 143,588.08, 198,149.08 and 79,924.08 is: 110,293.86
Step by Step Solution
- Step 1: Write the proportion equation
143,588.08 : 198,149.08 = 79,924.08 : x - Step 2: Convert to fraction form
143,588.08/198,149.08 = 79,924.08/x - Step 3: Cross multiply
143,588.08x = 198,149.08 × 79,924.08 - Step 4: Simplify right side
143,588.08x = 15,836,882,921.85 - Step 5: Solve for x
x = 15,836,882,921.85/143,588.08 - Step 6: Final answer
x = 110,293.86
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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.