Finding the Fourth Proportional to 170,389.13, 235,177.07 and 105,907.07
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Solution
The fourth proportional to 170,389.13, 235,177.07 and 105,907.07 is: 146,176.66
Step by Step Solution
- Step 1: Write the proportion equation
170,389.13 : 235,177.07 = 105,907.07 : x - Step 2: Convert to fraction form
170,389.13/235,177.07 = 105,907.07/x - Step 3: Cross multiply
170,389.13x = 235,177.07 × 105,907.07 - Step 4: Simplify right side
170,389.13x = 24,906,914,414.88 - Step 5: Solve for x
x = 24,906,914,414.88/170,389.13 - Step 6: Final answer
x = 146,176.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.