Finding the Fourth Proportional to 372,576.92, 514,143.06 and 202,807.40
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Solution
The fourth proportional to 372,576.92, 514,143.06 and 202,807.40 is: 279,867.09
Step by Step Solution
- Step 1: Write the proportion equation
372,576.92 : 514,143.06 = 202,807.40 : x - Step 2: Convert to fraction form
372,576.92/514,143.06 = 202,807.40/x - Step 3: Cross multiply
372,576.92x = 514,143.06 × 202,807.40 - Step 4: Simplify right side
372,576.92x = 104,272,017,226.64 - Step 5: Solve for x
x = 104,272,017,226.64/372,576.92 - Step 6: Final answer
x = 279,867.09
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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.