Finding the Fourth Proportional to 157,485.40, 236,275.79 and 56,270.19
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Solution
The fourth proportional to 157,485.40, 236,275.79 and 56,270.19 is: 84,422.33
Step by Step Solution
- Step 1: Write the proportion equation
157,485.40 : 236,275.79 = 56,270.19 : x - Step 2: Convert to fraction form
157,485.40/236,275.79 = 56,270.19/x - Step 3: Cross multiply
157,485.40x = 236,275.79 × 56,270.19 - Step 4: Simplify right side
157,485.40x = 13,295,284,200.38 - Step 5: Solve for x
x = 13,295,284,200.38/157,485.40 - Step 6: Final answer
x = 84,422.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.