Finding the Fourth Proportional to 347,396.64, 479,430.48 and 194,448.08
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Solution
The fourth proportional to 347,396.64, 479,430.48 and 194,448.08 is: 268,351.29
Step by Step Solution
- Step 1: Write the proportion equation
347,396.64 : 479,430.48 = 194,448.08 : x - Step 2: Convert to fraction form
347,396.64/479,430.48 = 194,448.08/x - Step 3: Cross multiply
347,396.64x = 479,430.48 × 194,448.08 - Step 4: Simplify right side
347,396.64x = 93,224,336,329.48 - Step 5: Solve for x
x = 93,224,336,329.48/347,396.64 - Step 6: Final answer
x = 268,351.29
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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.