Finding the Fourth Proportional to 673,135.80, 1,009,408.26 and 252,116.40
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Solution
The fourth proportional to 673,135.80, 1,009,408.26 and 252,116.40 is: 378,063.95
Step by Step Solution
- Step 1: Write the proportion equation
673,135.80 : 1,009,408.26 = 252,116.40 : x - Step 2: Convert to fraction form
673,135.80/1,009,408.26 = 252,116.40/x - Step 3: Cross multiply
673,135.80x = 1,009,408.26 × 252,116.40 - Step 4: Simplify right side
673,135.80x = 254,488,376,641.46 - Step 5: Solve for x
x = 254,488,376,641.46/673,135.80 - Step 6: Final answer
x = 378,063.95
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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.