Finding the Fourth Proportional to 313,372.98, 432,481.47 and 177,430.88
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Solution
The fourth proportional to 313,372.98, 432,481.47 and 177,430.88 is: 244,869.76
Step by Step Solution
- Step 1: Write the proportion equation
313,372.98 : 432,481.47 = 177,430.88 : x - Step 2: Convert to fraction form
313,372.98/432,481.47 = 177,430.88/x - Step 3: Cross multiply
313,372.98x = 432,481.47 × 177,430.88 - Step 4: Simplify right side
313,372.98x = 76,735,567,805.79 - Step 5: Solve for x
x = 76,735,567,805.79/313,372.98 - Step 6: Final answer
x = 244,869.76
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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.