Finding the Fourth Proportional to 168,507.81, 232,540.92 and 93,056.31
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Solution
The fourth proportional to 168,507.81, 232,540.92 and 93,056.31 is: 128,417.79
Step by Step Solution
- Step 1: Write the proportion equation
168,507.81 : 232,540.92 = 93,056.31 : x - Step 2: Convert to fraction form
168,507.81/232,540.92 = 93,056.31/x - Step 3: Cross multiply
168,507.81x = 232,540.92 × 93,056.31 - Step 4: Simplify right side
168,507.81x = 21,639,399,939.21 - Step 5: Solve for x
x = 21,639,399,939.21/168,507.81 - Step 6: Final answer
x = 128,417.79
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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.