Finding the Fourth Proportional to 372,790.13, 514,464.94 and 211,660.17
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Solution
The fourth proportional to 372,790.13, 514,464.94 and 211,660.17 is: 292,099.31
Step by Step Solution
- Step 1: Write the proportion equation
372,790.13 : 514,464.94 = 211,660.17 : x - Step 2: Convert to fraction form
372,790.13/514,464.94 = 211,660.17/x - Step 3: Cross multiply
372,790.13x = 514,464.94 × 211,660.17 - Step 4: Simplify right side
372,790.13x = 108,891,738,483.93 - Step 5: Solve for x
x = 108,891,738,483.93/372,790.13 - Step 6: Final answer
x = 292,099.31
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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.