Finding the Fourth Proportional to 208,848.03, 288,202.56 and 113,352.68
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Solution
The fourth proportional to 208,848.03, 288,202.56 and 113,352.68 is: 156,422.50
Step by Step Solution
- Step 1: Write the proportion equation
208,848.03 : 288,202.56 = 113,352.68 : x - Step 2: Convert to fraction form
208,848.03/288,202.56 = 113,352.68/x - Step 3: Cross multiply
208,848.03x = 288,202.56 × 113,352.68 - Step 4: Simplify right side
208,848.03x = 32,668,531,117.85 - Step 5: Solve for x
x = 32,668,531,117.85/208,848.03 - Step 6: Final answer
x = 156,422.50
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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.