Finding the Fourth Proportional to 149,408.84, 224,244.73 and 78,382.23
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Solution
The fourth proportional to 149,408.84, 224,244.73 and 78,382.23 is: 117,642.32
Step by Step Solution
- Step 1: Write the proportion equation
149,408.84 : 224,244.73 = 78,382.23 : x - Step 2: Convert to fraction form
149,408.84/224,244.73 = 78,382.23/x - Step 3: Cross multiply
149,408.84x = 224,244.73 × 78,382.23 - Step 4: Simplify right side
149,408.84x = 17,576,802,003.15 - Step 5: Solve for x
x = 17,576,802,003.15/149,408.84 - Step 6: Final answer
x = 117,642.32
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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.