Finding the Fourth Proportional to 203,731.48, 280,568.12 and 147,053.08
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Solution
The fourth proportional to 203,731.48, 280,568.12 and 147,053.08 is: 202,513.65
Step by Step Solution
- Step 1: Write the proportion equation
203,731.48 : 280,568.12 = 147,053.08 : x - Step 2: Convert to fraction form
203,731.48/280,568.12 = 147,053.08/x - Step 3: Cross multiply
203,731.48x = 280,568.12 × 147,053.08 - Step 4: Simplify right side
203,731.48x = 41,258,406,195.81 - Step 5: Solve for x
x = 41,258,406,195.81/203,731.48 - Step 6: Final answer
x = 202,513.65
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1.5x scale
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.