Finding the Fourth Proportional to 400,449.98, 552,621.20 and 219,161.79
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Solution
The fourth proportional to 400,449.98, 552,621.20 and 219,161.79 is: 302,443.40
Step by Step Solution
- Step 1: Write the proportion equation
400,449.98 : 552,621.20 = 219,161.79 : x - Step 2: Convert to fraction form
400,449.98/552,621.20 = 219,161.79/x - Step 3: Cross multiply
400,449.98x = 552,621.20 × 219,161.79 - Step 4: Simplify right side
400,449.98x = 121,113,450,288.14 - Step 5: Solve for x
x = 121,113,450,288.14/400,449.98 - Step 6: Final answer
x = 302,443.40
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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.