Finding the Fourth Proportional to 347,197.84, 479,128.71 and 203,970.94
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Solution
The fourth proportional to 347,197.84, 479,128.71 and 203,970.94 is: 281,477.37
Step by Step Solution
- Step 1: Write the proportion equation
347,197.84 : 479,128.71 = 203,970.94 : x - Step 2: Convert to fraction form
347,197.84/479,128.71 = 203,970.94/x - Step 3: Cross multiply
347,197.84x = 479,128.71 × 203,970.94 - Step 4: Simplify right side
347,197.84x = 97,728,333,359.69 - Step 5: Solve for x
x = 97,728,333,359.69/347,197.84 - Step 6: Final answer
x = 281,477.37
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1.5x scale
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.