Finding the Fourth Proportional to 216,776.44, 299,133.16 and 124,871.41
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Solution
The fourth proportional to 216,776.44, 299,133.16 and 124,871.41 is: 172,311.99
Step by Step Solution
- Step 1: Write the proportion equation
216,776.44 : 299,133.16 = 124,871.41 : x - Step 2: Convert to fraction form
216,776.44/299,133.16 = 124,871.41/x - Step 3: Cross multiply
216,776.44x = 299,133.16 × 124,871.41 - Step 4: Simplify right side
216,776.44x = 37,353,179,466.96 - Step 5: Solve for x
x = 37,353,179,466.96/216,776.44 - Step 6: Final answer
x = 172,311.99
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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.