Finding the Fourth Proportional to 150,344.69, 207,470.26 and 85,817.26
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Solution
The fourth proportional to 150,344.69, 207,470.26 and 85,817.26 is: 118,424.72
Step by Step Solution
- Step 1: Write the proportion equation
150,344.69 : 207,470.26 = 85,817.26 : x - Step 2: Convert to fraction form
150,344.69/207,470.26 = 85,817.26/x - Step 3: Cross multiply
150,344.69x = 207,470.26 × 85,817.26 - Step 4: Simplify right side
150,344.69x = 17,804,527,778.25 - Step 5: Solve for x
x = 17,804,527,778.25/150,344.69 - Step 6: Final answer
x = 118,424.72
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1.5x scale
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.