Finding the Fourth Proportional to 445,866.33, 668,658.99 and 146,277.12
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Solution
The fourth proportional to 445,866.33, 668,658.99 and 146,277.12 is: 219,369.58
Step by Step Solution
- Step 1: Write the proportion equation
445,866.33 : 668,658.99 = 146,277.12 : x - Step 2: Convert to fraction form
445,866.33/668,658.99 = 146,277.12/x - Step 3: Cross multiply
445,866.33x = 668,658.99 × 146,277.12 - Step 4: Simplify right side
445,866.33x = 97,809,511,319.31 - Step 5: Solve for x
x = 97,809,511,319.31/445,866.33 - Step 6: Final answer
x = 219,369.58
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1.5x scale
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.