Finding the Fourth Proportional to 271,609.85, 374,867.99 and 156,867.87
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Solution
The fourth proportional to 271,609.85, 374,867.99 and 156,867.87 is: 216,504.46
Step by Step Solution
- Step 1: Write the proportion equation
271,609.85 : 374,867.99 = 156,867.87 : x - Step 2: Convert to fraction form
271,609.85/374,867.99 = 156,867.87/x - Step 3: Cross multiply
271,609.85x = 374,867.99 × 156,867.87 - Step 4: Simplify right side
271,609.85x = 58,804,742,338.14 - Step 5: Solve for x
x = 58,804,742,338.14/271,609.85 - Step 6: Final answer
x = 216,504.46
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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.