Finding the Fourth Proportional to 400,336.58, 552,464.19 and 219,049.70
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Solution
The fourth proportional to 400,336.58, 552,464.19 and 219,049.70 is: 302,288.43
Step by Step Solution
- Step 1: Write the proportion equation
400,336.58 : 552,464.19 = 219,049.70 : x - Step 2: Convert to fraction form
400,336.58/552,464.19 = 219,049.70/x - Step 3: Cross multiply
400,336.58x = 552,464.19 × 219,049.70 - Step 4: Simplify right side
400,336.58x = 121,017,115,080.24 - Step 5: Solve for x
x = 121,017,115,080.24/400,336.58 - Step 6: Final answer
x = 302,288.43
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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.