Finding the Fourth Proportional to 382,011.27, 572,660.73 and 129,114.92
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Solution
The fourth proportional to 382,011.27, 572,660.73 and 129,114.92 is: 193,551.99
Step by Step Solution
- Step 1: Write the proportion equation
382,011.27 : 572,660.73 = 129,114.92 : x - Step 2: Convert to fraction form
382,011.27/572,660.73 = 129,114.92/x - Step 3: Cross multiply
382,011.27x = 572,660.73 × 129,114.92 - Step 4: Simplify right side
382,011.27x = 73,939,041,477.79 - Step 5: Solve for x
x = 73,939,041,477.79/382,011.27 - Step 6: Final answer
x = 193,551.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.