Finding the Fourth Proportional to 208,829.55, 288,177.08 and 113,334.20
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Solution
The fourth proportional to 208,829.55, 288,177.08 and 113,334.20 is: 156,397.01
Step by Step Solution
- Step 1: Write the proportion equation
208,829.55 : 288,177.08 = 113,334.20 : x - Step 2: Convert to fraction form
208,829.55/288,177.08 = 113,334.20/x - Step 3: Cross multiply
208,829.55x = 288,177.08 × 113,334.20 - Step 4: Simplify right side
208,829.55x = 32,660,317,893.24 - Step 5: Solve for x
x = 32,660,317,893.24/208,829.55 - Step 6: Final answer
x = 156,397.01
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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.