Finding the Fourth Proportional to 393,203.84, 589,806.12 and 97,715.84
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Solution
The fourth proportional to 393,203.84, 589,806.12 and 97,715.84 is: 146,573.85
Step by Step Solution
- Step 1: Write the proportion equation
393,203.84 : 589,806.12 = 97,715.84 : x - Step 2: Convert to fraction form
393,203.84/589,806.12 = 97,715.84/x - Step 3: Cross multiply
393,203.84x = 589,806.12 × 97,715.84 - Step 4: Simplify right side
393,203.84x = 57,633,400,452.94 - Step 5: Solve for x
x = 57,633,400,452.94/393,203.84 - Step 6: Final answer
x = 146,573.85
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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.