Finding the Fourth Proportional to 364,352.86, 546,618.21 and 139,709.26
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Solution
The fourth proportional to 364,352.86, 546,618.21 and 139,709.26 is: 209,597.99
Step by Step Solution
- Step 1: Write the proportion equation
364,352.86 : 546,618.21 = 139,709.26 : x - Step 2: Convert to fraction form
364,352.86/546,618.21 = 139,709.26/x - Step 3: Cross multiply
364,352.86x = 546,618.21 × 139,709.26 - Step 4: Simplify right side
364,352.86x = 76,367,625,621.62 - Step 5: Solve for x
x = 76,367,625,621.62/364,352.86 - Step 6: Final answer
x = 209,597.99
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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.