Finding the Fourth Proportional to 209,135.58, 313,484.05 and 102,372.31
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Solution
The fourth proportional to 209,135.58, 313,484.05 and 102,372.31 is: 153,451.11
Step by Step Solution
- Step 1: Write the proportion equation
209,135.58 : 313,484.05 = 102,372.31 : x - Step 2: Convert to fraction form
209,135.58/313,484.05 = 102,372.31/x - Step 3: Cross multiply
209,135.58x = 313,484.05 × 102,372.31 - Step 4: Simplify right side
209,135.58x = 32,092,086,346.66 - Step 5: Solve for x
x = 32,092,086,346.66/209,135.58 - Step 6: Final answer
x = 153,451.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.