Finding the Fourth Proportional to 276,764.68, 413,630.64 and 202,042.18
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Solution
The fourth proportional to 276,764.68, 413,630.64 and 202,042.18 is: 301,956.29
Step by Step Solution
- Step 1: Write the proportion equation
276,764.68 : 413,630.64 = 202,042.18 : x - Step 2: Convert to fraction form
276,764.68/413,630.64 = 202,042.18/x - Step 3: Cross multiply
276,764.68x = 413,630.64 × 202,042.18 - Step 4: Simplify right side
276,764.68x = 83,570,836,220.40 - Step 5: Solve for x
x = 83,570,836,220.40/276,764.68 - Step 6: Final answer
x = 301,956.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.