Finding the Fourth Proportional to 455,093.13, 628,043.58 and 248,372.82
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Solution
The fourth proportional to 455,093.13, 628,043.58 and 248,372.82 is: 342,762.72
Step by Step Solution
- Step 1: Write the proportion equation
455,093.13 : 628,043.58 = 248,372.82 : x - Step 2: Convert to fraction form
455,093.13/628,043.58 = 248,372.82/x - Step 3: Cross multiply
455,093.13x = 628,043.58 × 248,372.82 - Step 4: Simplify right side
455,093.13x = 155,988,957,512.42 - Step 5: Solve for x
x = 155,988,957,512.42/455,093.13 - Step 6: Final answer
x = 342,762.72
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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.