Finding the Fourth Proportional to 278,770.40, 384,660.06 and 164,106.80
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Solution
The fourth proportional to 278,770.40, 384,660.06 and 164,106.80 is: 226,442.02
Step by Step Solution
- Step 1: Write the proportion equation
278,770.40 : 384,660.06 = 164,106.80 : x - Step 2: Convert to fraction form
278,770.40/384,660.06 = 164,106.80/x - Step 3: Cross multiply
278,770.40x = 384,660.06 × 164,106.80 - Step 4: Simplify right side
278,770.40x = 63,125,331,534.41 - Step 5: Solve for x
x = 63,125,331,534.41/278,770.40 - Step 6: Final answer
x = 226,442.02
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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.