Finding the Fourth Proportional to 170,258.88, 234,959.76 and 98,644.08
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Solution
The fourth proportional to 170,258.88, 234,959.76 and 98,644.08 is: 136,130.28
Step by Step Solution
- Step 1: Write the proportion equation
170,258.88 : 234,959.76 = 98,644.08 : x - Step 2: Convert to fraction form
170,258.88/234,959.76 = 98,644.08/x - Step 3: Cross multiply
170,258.88x = 234,959.76 × 98,644.08 - Step 4: Simplify right side
170,258.88x = 23,177,389,362.22 - Step 5: Solve for x
x = 23,177,389,362.22/170,258.88 - Step 6: Final answer
x = 136,130.28
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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.