Finding the Fourth Proportional to 489,175.21, 675,068.73 and 295,556.05
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Solution
The fourth proportional to 489,175.21, 675,068.73 and 295,556.05 is: 407,871.54
Step by Step Solution
- Step 1: Write the proportion equation
489,175.21 : 675,068.73 = 295,556.05 : x - Step 2: Convert to fraction form
489,175.21/675,068.73 = 295,556.05/x - Step 3: Cross multiply
489,175.21x = 675,068.73 × 295,556.05 - Step 4: Simplify right side
489,175.21x = 199,520,643,941.97 - Step 5: Solve for x
x = 199,520,643,941.97/489,175.21 - Step 6: Final answer
x = 407,871.54
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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.