Finding the Fourth Proportional to 543,828.99, 815,917.76 and 224,130.59
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Solution
The fourth proportional to 543,828.99, 815,917.76 and 224,130.59 is: 336,267.72
Step by Step Solution
- Step 1: Write the proportion equation
543,828.99 : 815,917.76 = 224,130.59 : x - Step 2: Convert to fraction form
543,828.99/815,917.76 = 224,130.59/x - Step 3: Cross multiply
543,828.99x = 815,917.76 × 224,130.59 - Step 4: Simplify right side
543,828.99x = 182,872,132,229.76 - Step 5: Solve for x
x = 182,872,132,229.76/543,828.99 - Step 6: Final answer
x = 336,267.72
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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.