Finding the Fourth Proportional to 300,794.21, 415,095.99 and 166,658.21
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Solution
The fourth proportional to 300,794.21, 415,095.99 and 166,658.21 is: 229,988.32
Step by Step Solution
- Step 1: Write the proportion equation
300,794.21 : 415,095.99 = 166,658.21 : x - Step 2: Convert to fraction form
300,794.21/415,095.99 = 166,658.21/x - Step 3: Cross multiply
300,794.21x = 415,095.99 × 166,658.21 - Step 4: Simplify right side
300,794.21x = 69,179,154,671.58 - Step 5: Solve for x
x = 69,179,154,671.58/300,794.21 - Step 6: Final answer
x = 229,988.32
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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.