Finding the Fourth Proportional to 199,623.10, 299,434.65 and 164,193.70
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Solution
The fourth proportional to 199,623.10, 299,434.65 and 164,193.70 is: 246,290.55
Step by Step Solution
- Step 1: Write the proportion equation
199,623.10 : 299,434.65 = 164,193.70 : x - Step 2: Convert to fraction form
199,623.10/299,434.65 = 164,193.70/x - Step 3: Cross multiply
199,623.10x = 299,434.65 × 164,193.70 - Step 4: Simplify right side
199,623.10x = 49,165,283,091.71 - Step 5: Solve for x
x = 49,165,283,091.71/199,623.10 - Step 6: Final answer
x = 246,290.55
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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.