Finding the Fourth Proportional to 168,256.86, 231,722.01 and 164,582.70
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Solution
The fourth proportional to 168,256.86, 231,722.01 and 164,582.70 is: 226,661.99
Step by Step Solution
- Step 1: Write the proportion equation
168,256.86 : 231,722.01 = 164,582.70 : x - Step 2: Convert to fraction form
168,256.86/231,722.01 = 164,582.70/x - Step 3: Cross multiply
168,256.86x = 231,722.01 × 164,582.70 - Step 4: Simplify right side
168,256.86x = 38,137,434,055.23 - Step 5: Solve for x
x = 38,137,434,055.23/168,256.86 - Step 6: Final answer
x = 226,661.99
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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.