Finding the Fourth Proportional to 217,797.55, 300,575.55 and 121,013.08
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Solution
The fourth proportional to 217,797.55, 300,575.55 and 121,013.08 is: 167,006.35
Step by Step Solution
- Step 1: Write the proportion equation
217,797.55 : 300,575.55 = 121,013.08 : x - Step 2: Convert to fraction form
217,797.55/300,575.55 = 121,013.08/x - Step 3: Cross multiply
217,797.55x = 300,575.55 × 121,013.08 - Step 4: Simplify right side
217,797.55x = 36,373,573,078.19 - Step 5: Solve for x
x = 36,373,573,078.19/217,797.55 - Step 6: Final answer
x = 167,006.35
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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.