Finding the Fourth Proportional to 165,709.44, 228,639.24 and 97,721.10
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Solution
The fourth proportional to 165,709.44, 228,639.24 and 97,721.10 is: 134,831.65
Step by Step Solution
- Step 1: Write the proportion equation
165,709.44 : 228,639.24 = 97,721.10 : x - Step 2: Convert to fraction form
165,709.44/228,639.24 = 97,721.10/x - Step 3: Cross multiply
165,709.44x = 228,639.24 × 97,721.10 - Step 4: Simplify right side
165,709.44x = 22,342,878,035.96 - Step 5: Solve for x
x = 22,342,878,035.96/165,709.44 - Step 6: Final answer
x = 134,831.65
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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.