Finding the Fourth Proportional to 402,450.81, 555,052.53 and 249,382.68
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Solution
The fourth proportional to 402,450.81, 555,052.53 and 249,382.68 is: 343,943.87
Step by Step Solution
- Step 1: Write the proportion equation
402,450.81 : 555,052.53 = 249,382.68 : x - Step 2: Convert to fraction form
402,450.81/555,052.53 = 249,382.68/x - Step 3: Cross multiply
402,450.81x = 555,052.53 × 249,382.68 - Step 4: Simplify right side
402,450.81x = 138,420,487,472.18 - Step 5: Solve for x
x = 138,420,487,472.18/402,450.81 - Step 6: Final answer
x = 343,943.87
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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.