Finding the Fourth Proportional to 352,426.97, 486,344.21 and 191,277.88
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Solution
The fourth proportional to 352,426.97, 486,344.21 and 191,277.88 is: 263,960.75
Step by Step Solution
- Step 1: Write the proportion equation
352,426.97 : 486,344.21 = 191,277.88 : x - Step 2: Convert to fraction form
352,426.97/486,344.21 = 191,277.88/x - Step 3: Cross multiply
352,426.97x = 486,344.21 × 191,277.88 - Step 4: Simplify right side
352,426.97x = 93,026,888,701.41 - Step 5: Solve for x
x = 93,026,888,701.41/352,426.97 - Step 6: Final answer
x = 263,960.75
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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.