Finding the Fourth Proportional to 172,407.36, 237,921.52 and 96,955.84
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Solution
The fourth proportional to 172,407.36, 237,921.52 and 96,955.84 is: 133,798.70
Step by Step Solution
- Step 1: Write the proportion equation
172,407.36 : 237,921.52 = 96,955.84 : x - Step 2: Convert to fraction form
172,407.36/237,921.52 = 96,955.84/x - Step 3: Cross multiply
172,407.36x = 237,921.52 × 96,955.84 - Step 4: Simplify right side
172,407.36x = 23,067,880,825.68 - Step 5: Solve for x
x = 23,067,880,825.68/172,407.36 - Step 6: Final answer
x = 133,798.70
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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.