Finding the Fourth Proportional to 160,802.12, 221,871.16 and 92,804.68
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Solution
The fourth proportional to 160,802.12, 221,871.16 and 92,804.68 is: 128,049.82
Step by Step Solution
- Step 1: Write the proportion equation
160,802.12 : 221,871.16 = 92,804.68 : x - Step 2: Convert to fraction form
160,802.12/221,871.16 = 92,804.68/x - Step 3: Cross multiply
160,802.12x = 221,871.16 × 92,804.68 - Step 4: Simplify right side
160,802.12x = 20,590,682,005.03 - Step 5: Solve for x
x = 20,590,682,005.03/160,802.12 - Step 6: Final answer
x = 128,049.82
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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.