Finding the Fourth Proportional to 168,262.31, 232,201.99 and 92,810.81
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Solution
The fourth proportional to 168,262.31, 232,201.99 and 92,810.81 is: 128,078.92
Step by Step Solution
- Step 1: Write the proportion equation
168,262.31 : 232,201.99 = 92,810.81 : x - Step 2: Convert to fraction form
168,262.31/232,201.99 = 92,810.81/x - Step 3: Cross multiply
168,262.31x = 232,201.99 × 92,810.81 - Step 4: Simplify right side
168,262.31x = 21,550,855,472.03 - Step 5: Solve for x
x = 21,550,855,472.03/168,262.31 - Step 6: Final answer
x = 128,078.92
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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.