Finding the Fourth Proportional to 170,548.12, 235,353.56 and 94,074.65
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Solution
The fourth proportional to 170,548.12, 235,353.56 and 94,074.65 is: 129,821.45
Step by Step Solution
- Step 1: Write the proportion equation
170,548.12 : 235,353.56 = 94,074.65 : x - Step 2: Convert to fraction form
170,548.12/235,353.56 = 94,074.65/x - Step 3: Cross multiply
170,548.12x = 235,353.56 × 94,074.65 - Step 4: Simplify right side
170,548.12x = 22,140,803,783.25 - Step 5: Solve for x
x = 22,140,803,783.25/170,548.12 - Step 6: Final answer
x = 129,821.45
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1.5x scale
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.