Finding the Fourth Proportional to 92,163.42, 138,240.26 and 45,400.50
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Solution
The fourth proportional to 92,163.42, 138,240.26 and 45,400.50 is: 68,098.35
Step by Step Solution
- Step 1: Write the proportion equation
92,163.42 : 138,240.26 = 45,400.50 : x - Step 2: Convert to fraction form
92,163.42/138,240.26 = 45,400.50/x - Step 3: Cross multiply
92,163.42x = 138,240.26 × 45,400.50 - Step 4: Simplify right side
92,163.42x = 6,276,176,924.13 - Step 5: Solve for x
x = 6,276,176,924.13/92,163.42 - Step 6: Final answer
x = 68,098.35
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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.