Finding the Fourth Proportional to 170,969.79, 256,225.43 and 133,064.84
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Solution
The fourth proportional to 170,969.79, 256,225.43 and 133,064.84 is: 199,418.82
Step by Step Solution
- Step 1: Write the proportion equation
170,969.79 : 256,225.43 = 133,064.84 : x - Step 2: Convert to fraction form
170,969.79/256,225.43 = 133,064.84/x - Step 3: Cross multiply
170,969.79x = 256,225.43 × 133,064.84 - Step 4: Simplify right side
170,969.79x = 34,094,593,900.43 - Step 5: Solve for x
x = 34,094,593,900.43/170,969.79 - Step 6: Final answer
x = 199,418.82
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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.