Finding the Fourth Proportional to 372,477.92, 514,009.68 and 202,708.40
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Solution
The fourth proportional to 372,477.92, 514,009.68 and 202,708.40 is: 279,732.23
Step by Step Solution
- Step 1: Write the proportion equation
372,477.92 : 514,009.68 = 202,708.40 : x - Step 2: Convert to fraction form
372,477.92/514,009.68 = 202,708.40/x - Step 3: Cross multiply
372,477.92x = 514,009.68 × 202,708.40 - Step 4: Simplify right side
372,477.92x = 104,194,079,817.31 - Step 5: Solve for x
x = 104,194,079,817.31/372,477.92 - Step 6: Final answer
x = 279,732.23
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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.