Finding the Fourth Proportional to 170,433.72, 235,199.70 and 94,987.08
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Solution
The fourth proportional to 170,433.72, 235,199.70 and 94,987.08 is: 131,082.82
Step by Step Solution
- Step 1: Write the proportion equation
170,433.72 : 235,199.70 = 94,987.08 : x - Step 2: Convert to fraction form
170,433.72/235,199.70 = 94,987.08/x - Step 3: Cross multiply
170,433.72x = 235,199.70 × 94,987.08 - Step 4: Simplify right side
170,433.72x = 22,340,932,719.88 - Step 5: Solve for x
x = 22,340,932,719.88/170,433.72 - Step 6: Final answer
x = 131,082.82
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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.