Finding the Fourth Proportional to 313,670.34, 432,858.84 and 170,431.41
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Solution
The fourth proportional to 313,670.34, 432,858.84 and 170,431.41 is: 235,191.96
Step by Step Solution
- Step 1: Write the proportion equation
313,670.34 : 432,858.84 = 170,431.41 : x - Step 2: Convert to fraction form
313,670.34/432,858.84 = 170,431.41/x - Step 3: Cross multiply
313,670.34x = 432,858.84 × 170,431.41 - Step 4: Simplify right side
313,670.34x = 73,772,740,981.44 - Step 5: Solve for x
x = 73,772,740,981.44/313,670.34 - Step 6: Final answer
x = 235,191.96
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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.