Finding the Fourth Proportional to 449,758.08, 620,648.64 and 248,549.76
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Solution
The fourth proportional to 449,758.08, 620,648.64 and 248,549.76 is: 342,988.99
Step by Step Solution
- Step 1: Write the proportion equation
449,758.08 : 620,648.64 = 248,549.76 : x - Step 2: Convert to fraction form
449,758.08/620,648.64 = 248,549.76/x - Step 3: Cross multiply
449,758.08x = 620,648.64 × 248,549.76 - Step 4: Simplify right side
449,758.08x = 154,262,070,516.33 - Step 5: Solve for x
x = 154,262,070,516.33/449,758.08 - Step 6: Final answer
x = 342,988.99
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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.