Finding the Fourth Proportional to 347,485.68, 479,479.08 and 194,515.92
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Solution
The fourth proportional to 347,485.68, 479,479.08 and 194,515.92 is: 268,403.33
Step by Step Solution
- Step 1: Write the proportion equation
347,485.68 : 479,479.08 = 194,515.92 : x - Step 2: Convert to fraction form
347,485.68/479,479.08 = 194,515.92/x - Step 3: Cross multiply
347,485.68x = 479,479.08 × 194,515.92 - Step 4: Simplify right side
347,485.68x = 93,266,314,366.95 - Step 5: Solve for x
x = 93,266,314,366.95/347,485.68 - Step 6: Final answer
x = 268,403.33
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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.