Finding the Fourth Proportional to 400,338.08, 552,466.26 and 219,051.20
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Solution
The fourth proportional to 400,338.08, 552,466.26 and 219,051.20 is: 302,290.50
Step by Step Solution
- Step 1: Write the proportion equation
400,338.08 : 552,466.26 = 219,051.20 : x - Step 2: Convert to fraction form
400,338.08/552,466.26 = 219,051.20/x - Step 3: Cross multiply
400,338.08x = 552,466.26 × 219,051.20 - Step 4: Simplify right side
400,338.08x = 121,018,397,212.51 - Step 5: Solve for x
x = 121,018,397,212.51/400,338.08 - Step 6: Final answer
x = 302,290.50
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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.