Finding the Fourth Proportional to 667,597.98, 921,284.04 and 361,682.08
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Solution
The fourth proportional to 667,597.98, 921,284.04 and 361,682.08 is: 499,120.64
Step by Step Solution
- Step 1: Write the proportion equation
667,597.98 : 921,284.04 = 361,682.08 : x - Step 2: Convert to fraction form
667,597.98/921,284.04 = 361,682.08/x - Step 3: Cross multiply
667,597.98x = 921,284.04 × 361,682.08 - Step 4: Simplify right side
667,597.98x = 333,211,927,858.00 - Step 5: Solve for x
x = 333,211,927,858.00/667,597.98 - Step 6: Final answer
x = 499,120.64
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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.