Finding the Fourth Proportional to 164,445.04, 226,938.36 and 92,831.68
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Solution
The fourth proportional to 164,445.04, 226,938.36 and 92,831.68 is: 128,110.09
Step by Step Solution
- Step 1: Write the proportion equation
164,445.04 : 226,938.36 = 92,831.68 : x - Step 2: Convert to fraction form
164,445.04/226,938.36 = 92,831.68/x - Step 3: Cross multiply
164,445.04x = 226,938.36 × 92,831.68 - Step 4: Simplify right side
164,445.04x = 21,067,069,215.24 - Step 5: Solve for x
x = 21,067,069,215.24/164,445.04 - Step 6: Final answer
x = 128,110.09
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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.