Finding the Fourth Proportional to 354,352.05, 531,777.14 and 320,472.68
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Solution
The fourth proportional to 354,352.05, 531,777.14 and 320,472.68 is: 480,934.27
Step by Step Solution
- Step 1: Write the proportion equation
354,352.05 : 531,777.14 = 320,472.68 : x - Step 2: Convert to fraction form
354,352.05/531,777.14 = 320,472.68/x - Step 3: Cross multiply
354,352.05x = 531,777.14 × 320,472.68 - Step 4: Simplify right side
354,352.05x = 170,420,045,218.54 - Step 5: Solve for x
x = 170,420,045,218.54/354,352.05 - Step 6: Final answer
x = 480,934.27
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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.