Finding the Fourth Proportional to 140,935.91, 211,381.36 and 41,072.74
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Solution
The fourth proportional to 140,935.91, 211,381.36 and 41,072.74 is: 61,602.55
Step by Step Solution
- Step 1: Write the proportion equation
140,935.91 : 211,381.36 = 41,072.74 : x - Step 2: Convert to fraction form
140,935.91/211,381.36 = 41,072.74/x - Step 3: Cross multiply
140,935.91x = 211,381.36 × 41,072.74 - Step 4: Simplify right side
140,935.91x = 8,682,011,640.13 - Step 5: Solve for x
x = 8,682,011,640.13/140,935.91 - Step 6: Final answer
x = 61,602.55
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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.