Finding the Fourth Proportional to 272,457.36, 408,637.73 and 82,871.79
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Solution
The fourth proportional to 272,457.36, 408,637.73 and 82,871.79 is: 124,292.99
Step by Step Solution
- Step 1: Write the proportion equation
272,457.36 : 408,637.73 = 82,871.79 : x - Step 2: Convert to fraction form
272,457.36/408,637.73 = 82,871.79/x - Step 3: Cross multiply
272,457.36x = 408,637.73 × 82,871.79 - Step 4: Simplify right side
272,457.36x = 33,864,539,732.28 - Step 5: Solve for x
x = 33,864,539,732.28/272,457.36 - Step 6: Final answer
x = 124,292.99
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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.