Finding the Fourth Proportional to 160,125.09, 240,178.97 and 81,237.28
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Solution
The fourth proportional to 160,125.09, 240,178.97 and 81,237.28 is: 121,851.52
Step by Step Solution
- Step 1: Write the proportion equation
160,125.09 : 240,178.97 = 81,237.28 : x - Step 2: Convert to fraction form
160,125.09/240,178.97 = 81,237.28/x - Step 3: Cross multiply
160,125.09x = 240,178.97 × 81,237.28 - Step 4: Simplify right side
160,125.09x = 19,511,484,628.92 - Step 5: Solve for x
x = 19,511,484,628.92/160,125.09 - Step 6: Final answer
x = 121,851.52
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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.