Finding the Fourth Proportional to 149,655.20, 224,523.80 and 74,684.84
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Solution
The fourth proportional to 149,655.20, 224,523.80 and 74,684.84 is: 112,047.72
Step by Step Solution
- Step 1: Write the proportion equation
149,655.20 : 224,523.80 = 74,684.84 : x - Step 2: Convert to fraction form
149,655.20/224,523.80 = 74,684.84/x - Step 3: Cross multiply
149,655.20x = 224,523.80 × 74,684.84 - Step 4: Simplify right side
149,655.20x = 16,768,523,705.77 - Step 5: Solve for x
x = 16,768,523,705.77/149,655.20 - Step 6: Final answer
x = 112,047.72
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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.