Finding the Fourth Proportional to 170,854.06, 256,135.23 and 120,776.62
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Solution
The fourth proportional to 170,854.06, 256,135.23 and 120,776.62 is: 181,061.82
Step by Step Solution
- Step 1: Write the proportion equation
170,854.06 : 256,135.23 = 120,776.62 : x - Step 2: Convert to fraction form
170,854.06/256,135.23 = 120,776.62/x - Step 3: Cross multiply
170,854.06x = 256,135.23 × 120,776.62 - Step 4: Simplify right side
170,854.06x = 30,935,147,342.32 - Step 5: Solve for x
x = 30,935,147,342.32/170,854.06 - Step 6: Final answer
x = 181,061.82
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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.