Finding the Fourth Proportional to 310,213.78, 465,414.09 and 110,508.10
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Solution
The fourth proportional to 310,213.78, 465,414.09 and 110,508.10 is: 165,795.43
Step by Step Solution
- Step 1: Write the proportion equation
310,213.78 : 465,414.09 = 110,508.10 : x - Step 2: Convert to fraction form
310,213.78/465,414.09 = 110,508.10/x - Step 3: Cross multiply
310,213.78x = 465,414.09 × 110,508.10 - Step 4: Simplify right side
310,213.78x = 51,432,026,799.13 - Step 5: Solve for x
x = 51,432,026,799.13/310,213.78 - Step 6: Final answer
x = 165,795.43
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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.