Finding the Fourth Proportional to 84,955.13, 127,433.10 and 22,625.63
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Solution
The fourth proportional to 84,955.13, 127,433.10 and 22,625.63 is: 33,938.55
Step by Step Solution
- Step 1: Write the proportion equation
84,955.13 : 127,433.10 = 22,625.63 : x - Step 2: Convert to fraction form
84,955.13/127,433.10 = 22,625.63/x - Step 3: Cross multiply
84,955.13x = 127,433.10 × 22,625.63 - Step 4: Simplify right side
84,955.13x = 2,883,253,533.19 - Step 5: Solve for x
x = 2,883,253,533.19/84,955.13 - Step 6: Final answer
x = 33,938.55
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1.5x scale
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.