Finding the Fourth Proportional to 160,484.21, 221,465.49 and 88,862.69
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Solution
The fourth proportional to 160,484.21, 221,465.49 and 88,862.69 is: 122,629.00
Step by Step Solution
- Step 1: Write the proportion equation
160,484.21 : 221,465.49 = 88,862.69 : x - Step 2: Convert to fraction form
160,484.21/221,465.49 = 88,862.69/x - Step 3: Cross multiply
160,484.21x = 221,465.49 × 88,862.69 - Step 4: Simplify right side
160,484.21x = 19,680,018,076.24 - Step 5: Solve for x
x = 19,680,018,076.24/160,484.21 - Step 6: Final answer
x = 122,629.00
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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.