Finding the Fourth Proportional to 343,107.41, 473,420.61 and 215,708.99
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Solution
The fourth proportional to 343,107.41, 473,420.61 and 215,708.99 is: 297,635.89
Step by Step Solution
- Step 1: Write the proportion equation
343,107.41 : 473,420.61 = 215,708.99 : x - Step 2: Convert to fraction form
343,107.41/473,420.61 = 215,708.99/x - Step 3: Cross multiply
343,107.41x = 473,420.61 × 215,708.99 - Step 4: Simplify right side
343,107.41x = 102,121,079,261.18 - Step 5: Solve for x
x = 102,121,079,261.18/343,107.41 - Step 6: Final answer
x = 297,635.89
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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.