Finding the Fourth Proportional to 445,538.08, 668,445.68 and 146,021.28
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Solution
The fourth proportional to 445,538.08, 668,445.68 and 146,021.28 is: 219,077.33
Step by Step Solution
- Step 1: Write the proportion equation
445,538.08 : 668,445.68 = 146,021.28 : x - Step 2: Convert to fraction form
445,538.08/668,445.68 = 146,021.28/x - Step 3: Cross multiply
445,538.08x = 668,445.68 × 146,021.28 - Step 4: Simplify right side
445,538.08x = 97,607,293,804.07 - Step 5: Solve for x
x = 97,607,293,804.07/445,538.08 - Step 6: Final answer
x = 219,077.33
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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.