Finding the Fourth Proportional to 99,583.64, 149,408.34 and 36,423.08
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Solution
The fourth proportional to 99,583.64, 149,408.34 and 36,423.08 is: 54,646.65
Step by Step Solution
- Step 1: Write the proportion equation
99,583.64 : 149,408.34 = 36,423.08 : x - Step 2: Convert to fraction form
99,583.64/149,408.34 = 36,423.08/x - Step 3: Cross multiply
99,583.64x = 149,408.34 × 36,423.08 - Step 4: Simplify right side
99,583.64x = 5,441,911,920.49 - Step 5: Solve for x
x = 5,441,911,920.49/99,583.64 - Step 6: Final answer
x = 54,646.65
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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.