Finding the Fourth Proportional to 413,715.56, 619,348.62 and 255,435.08
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Solution
The fourth proportional to 413,715.56, 619,348.62 and 255,435.08 is: 382,396.46
Step by Step Solution
- Step 1: Write the proportion equation
413,715.56 : 619,348.62 = 255,435.08 : x - Step 2: Convert to fraction form
413,715.56/619,348.62 = 255,435.08/x - Step 3: Cross multiply
413,715.56x = 619,348.62 × 255,435.08 - Step 4: Simplify right side
413,715.56x = 158,203,364,297.59 - Step 5: Solve for x
x = 158,203,364,297.59/413,715.56 - Step 6: Final answer
x = 382,396.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.