Finding the Fourth Proportional to 128,576.41, 192,877.30 and 44,325.49
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Solution
The fourth proportional to 128,576.41, 192,877.30 and 44,325.49 is: 66,492.61
Step by Step Solution
- Step 1: Write the proportion equation
128,576.41 : 192,877.30 = 44,325.49 : x - Step 2: Convert to fraction form
128,576.41/192,877.30 = 44,325.49/x - Step 3: Cross multiply
128,576.41x = 192,877.30 × 44,325.49 - Step 4: Simplify right side
128,576.41x = 8,549,381,038.47 - Step 5: Solve for x
x = 8,549,381,038.47/128,576.41 - Step 6: Final answer
x = 66,492.61
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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.