Finding the Fourth Proportional to 171,461.18, 236,731.97 and 107,028.52
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Solution
The fourth proportional to 171,461.18, 236,731.97 and 107,028.52 is: 147,771.47
Step by Step Solution
- Step 1: Write the proportion equation
171,461.18 : 236,731.97 = 107,028.52 : x - Step 2: Convert to fraction form
171,461.18/236,731.97 = 107,028.52/x - Step 3: Cross multiply
171,461.18x = 236,731.97 × 107,028.52 - Step 4: Simplify right side
171,461.18x = 25,337,071,258.81 - Step 5: Solve for x
x = 25,337,071,258.81/171,461.18 - Step 6: Final answer
x = 147,771.47
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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.