Finding the Fourth Proportional to 202,967.70, 304,451.55 and 53,207.70
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Solution
The fourth proportional to 202,967.70, 304,451.55 and 53,207.70 is: 79,811.55
Step by Step Solution
- Step 1: Write the proportion equation
202,967.70 : 304,451.55 = 53,207.70 : x - Step 2: Convert to fraction form
202,967.70/304,451.55 = 53,207.70/x - Step 3: Cross multiply
202,967.70x = 304,451.55 × 53,207.70 - Step 4: Simplify right side
202,967.70x = 16,199,166,736.94 - Step 5: Solve for x
x = 16,199,166,736.94/202,967.70 - Step 6: Final answer
x = 79,811.55
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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.