Finding the Fourth Proportional to 321,866.79, 482,800.19 and 171,651.99
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Solution
The fourth proportional to 321,866.79, 482,800.19 and 171,651.99 is: 257,477.98
Step by Step Solution
- Step 1: Write the proportion equation
321,866.79 : 482,800.19 = 171,651.99 : x - Step 2: Convert to fraction form
321,866.79/482,800.19 = 171,651.99/x - Step 3: Cross multiply
321,866.79x = 482,800.19 × 171,651.99 - Step 4: Simplify right side
321,866.79x = 82,873,611,749.75 - Step 5: Solve for x
x = 82,873,611,749.75/321,866.79 - Step 6: Final answer
x = 257,477.98
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1.5x scale
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.