Finding the Fourth Proportional to 551,352.99, 826,640.65 and 214,112.73
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Solution
The fourth proportional to 551,352.99, 826,640.65 and 214,112.73 is: 321,018.09
Step by Step Solution
- Step 1: Write the proportion equation
551,352.99 : 826,640.65 = 214,112.73 : x - Step 2: Convert to fraction form
551,352.99/826,640.65 = 214,112.73/x - Step 3: Cross multiply
551,352.99x = 826,640.65 × 214,112.73 - Step 4: Simplify right side
551,352.99x = 176,994,286,300.48 - Step 5: Solve for x
x = 176,994,286,300.48/551,352.99 - Step 6: Final answer
x = 321,018.09
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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.