Finding the Fourth Proportional to 445,856.49, 668,858.99 and 146,256.62
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Solution
The fourth proportional to 445,856.49, 668,858.99 and 146,256.62 is: 219,409.28
Step by Step Solution
- Step 1: Write the proportion equation
445,856.49 : 668,858.99 = 146,256.62 : x - Step 2: Convert to fraction form
445,856.49/668,858.99 = 146,256.62/x - Step 3: Cross multiply
445,856.49x = 668,858.99 × 146,256.62 - Step 4: Simplify right side
445,856.49x = 97,825,051,058.44 - Step 5: Solve for x
x = 97,825,051,058.44/445,856.49 - Step 6: Final answer
x = 219,409.28
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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.