Finding the Fourth Proportional to 439,645.08, 606,742.74 and 246,072.30
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Solution
The fourth proportional to 439,645.08, 606,742.74 and 246,072.30 is: 339,597.98
Step by Step Solution
- Step 1: Write the proportion equation
439,645.08 : 606,742.74 = 246,072.30 : x - Step 2: Convert to fraction form
439,645.08/606,742.74 = 246,072.30/x - Step 3: Cross multiply
439,645.08x = 606,742.74 × 246,072.30 - Step 4: Simplify right side
439,645.08x = 149,302,581,540.10 - Step 5: Solve for x
x = 149,302,581,540.10/439,645.08 - Step 6: Final answer
x = 339,597.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.