Finding the Fourth Proportional to 313,744.48, 432,970.12 and 170,504.55
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Solution
The fourth proportional to 313,744.48, 432,970.12 and 170,504.55 is: 235,297.77
Step by Step Solution
- Step 1: Write the proportion equation
313,744.48 : 432,970.12 = 170,504.55 : x - Step 2: Convert to fraction form
313,744.48/432,970.12 = 170,504.55/x - Step 3: Cross multiply
313,744.48x = 432,970.12 × 170,504.55 - Step 4: Simplify right side
313,744.48x = 73,823,375,474.05 - Step 5: Solve for x
x = 73,823,375,474.05/313,744.48 - Step 6: Final answer
x = 235,297.77
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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.