Finding the Fourth Proportional to 245,623.07, 368,434.58 and 68,130.09
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Solution
The fourth proportional to 245,623.07, 368,434.58 and 68,130.09 is: 102,195.12
Step by Step Solution
- Step 1: Write the proportion equation
245,623.07 : 368,434.58 = 68,130.09 : x - Step 2: Convert to fraction form
245,623.07/368,434.58 = 68,130.09/x - Step 3: Cross multiply
245,623.07x = 368,434.58 × 68,130.09 - Step 4: Simplify right side
245,623.07x = 25,101,479,082.01 - Step 5: Solve for x
x = 25,101,479,082.01/245,623.07 - Step 6: Final answer
x = 102,195.12
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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.