Finding the Fourth Proportional to 351,960.23, 485,707.52 and 190,817.75
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Solution
The fourth proportional to 351,960.23, 485,707.52 and 190,817.75 is: 263,329.80
Step by Step Solution
- Step 1: Write the proportion equation
351,960.23 : 485,707.52 = 190,817.75 : x - Step 2: Convert to fraction form
351,960.23/485,707.52 = 190,817.75/x - Step 3: Cross multiply
351,960.23x = 485,707.52 × 190,817.75 - Step 4: Simplify right side
351,960.23x = 92,681,616,124.48 - Step 5: Solve for x
x = 92,681,616,124.48/351,960.23 - Step 6: Final answer
x = 263,329.80
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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.