Finding the Fourth Proportional to 401,307.62, 553,821.98 and 240,131.79
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Solution
The fourth proportional to 401,307.62, 553,821.98 and 240,131.79 is: 331,392.32
Step by Step Solution
- Step 1: Write the proportion equation
401,307.62 : 553,821.98 = 240,131.79 : x - Step 2: Convert to fraction form
401,307.62/553,821.98 = 240,131.79/x - Step 3: Cross multiply
401,307.62x = 553,821.98 × 240,131.79 - Step 4: Simplify right side
401,307.62x = 132,990,262,198.09 - Step 5: Solve for x
x = 132,990,262,198.09/401,307.62 - Step 6: Final answer
x = 331,392.32
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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.