Finding the Fourth Proportional to 354,347.99, 531,771.06 and 320,468.63
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Solution
The fourth proportional to 354,347.99, 531,771.06 and 320,468.63 is: 480,928.20
Step by Step Solution
- Step 1: Write the proportion equation
354,347.99 : 531,771.06 = 320,468.63 : x - Step 2: Convert to fraction form
354,347.99/531,771.06 = 320,468.63/x - Step 3: Cross multiply
354,347.99x = 531,771.06 × 320,468.63 - Step 4: Simplify right side
354,347.99x = 170,415,942,659.70 - Step 5: Solve for x
x = 170,415,942,659.70/354,347.99 - Step 6: Final answer
x = 480,928.20
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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.