Finding the Fourth Proportional to 299,360.21, 448,718.94 and 149,304.06
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Solution
The fourth proportional to 299,360.21, 448,718.94 and 149,304.06 is: 223,795.81
Step by Step Solution
- Step 1: Write the proportion equation
299,360.21 : 448,718.94 = 149,304.06 : x - Step 2: Convert to fraction form
299,360.21/448,718.94 = 149,304.06/x - Step 3: Cross multiply
299,360.21x = 448,718.94 × 149,304.06 - Step 4: Simplify right side
299,360.21x = 66,995,559,540.90 - Step 5: Solve for x
x = 66,995,559,540.90/299,360.21 - Step 6: Final answer
x = 223,795.81
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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.