Finding the Fourth Proportional to 150,605.92, 207,974.40 and 96,985.12
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Solution
The fourth proportional to 150,605.92, 207,974.40 and 96,985.12 is: 133,928.48
Step by Step Solution
- Step 1: Write the proportion equation
150,605.92 : 207,974.40 = 96,985.12 : x - Step 2: Convert to fraction form
150,605.92/207,974.40 = 96,985.12/x - Step 3: Cross multiply
150,605.92x = 207,974.40 × 96,985.12 - Step 4: Simplify right side
150,605.92x = 20,170,422,140.93 - Step 5: Solve for x
x = 20,170,422,140.93/150,605.92 - Step 6: Final answer
x = 133,928.48
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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.