Finding the Fourth Proportional to 347,866.20, 521,007.12 and 207,334.44
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Solution
The fourth proportional to 347,866.20, 521,007.12 and 207,334.44 is: 310,529.51
Step by Step Solution
- Step 1: Write the proportion equation
347,866.20 : 521,007.12 = 207,334.44 : x - Step 2: Convert to fraction form
347,866.20/521,007.12 = 207,334.44/x - Step 3: Cross multiply
347,866.20x = 521,007.12 × 207,334.44 - Step 4: Simplify right side
347,866.20x = 108,022,719,461.21 - Step 5: Solve for x
x = 108,022,719,461.21/347,866.20 - Step 6: Final answer
x = 310,529.51
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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.