Finding the Fourth Proportional to 170,852.06, 256,132.20 and 120,774.62
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Solution
The fourth proportional to 170,852.06, 256,132.20 and 120,774.62 is: 181,058.80
Step by Step Solution
- Step 1: Write the proportion equation
170,852.06 : 256,132.20 = 120,774.62 : x - Step 2: Convert to fraction form
170,852.06/256,132.20 = 120,774.62/x - Step 3: Cross multiply
170,852.06x = 256,132.20 × 120,774.62 - Step 4: Simplify right side
170,852.06x = 30,934,269,124.76 - Step 5: Solve for x
x = 30,934,269,124.76/170,852.06 - Step 6: Final answer
x = 181,058.80
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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.