Finding the Fourth Proportional to 351,612.90, 485,226.99 and 190,467.45
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Solution
The fourth proportional to 351,612.90, 485,226.99 and 190,467.45 is: 262,845.72
Step by Step Solution
- Step 1: Write the proportion equation
351,612.90 : 485,226.99 = 190,467.45 : x - Step 2: Convert to fraction form
351,612.90/485,226.99 = 190,467.45/x - Step 3: Cross multiply
351,612.90x = 485,226.99 × 190,467.45 - Step 4: Simplify right side
351,612.90x = 92,419,947,456.48 - Step 5: Solve for x
x = 92,419,947,456.48/351,612.90 - Step 6: Final answer
x = 262,845.72
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1.5x scale
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.