Finding the Fourth Proportional to 232,976.34, 321,505.76 and 131,001.99
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Solution
The fourth proportional to 232,976.34, 321,505.76 and 131,001.99 is: 180,781.85
Step by Step Solution
- Step 1: Write the proportion equation
232,976.34 : 321,505.76 = 131,001.99 : x - Step 2: Convert to fraction form
232,976.34/321,505.76 = 131,001.99/x - Step 3: Cross multiply
232,976.34x = 321,505.76 × 131,001.99 - Step 4: Simplify right side
232,976.34x = 42,117,893,701.45 - Step 5: Solve for x
x = 42,117,893,701.45/232,976.34 - Step 6: Final answer
x = 180,781.85
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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.