Finding the Fourth Proportional to 330,653.24, 455,873.18 and 214,159.44
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Solution
The fourth proportional to 330,653.24, 455,873.18 and 214,159.44 is: 295,262.64
Step by Step Solution
- Step 1: Write the proportion equation
330,653.24 : 455,873.18 = 214,159.44 : x - Step 2: Convert to fraction form
330,653.24/455,873.18 = 214,159.44/x - Step 3: Cross multiply
330,653.24x = 455,873.18 × 214,159.44 - Step 4: Simplify right side
330,653.24x = 97,629,546,783.19 - Step 5: Solve for x
x = 97,629,546,783.19/330,653.24 - Step 6: Final answer
x = 295,262.64
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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.