Finding the Fourth Proportional to 313,871.71, 433,124.57 and 170,630.50
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Solution
The fourth proportional to 313,871.71, 433,124.57 and 170,630.50 is: 235,460.09
Step by Step Solution
- Step 1: Write the proportion equation
313,871.71 : 433,124.57 = 170,630.50 : x - Step 2: Convert to fraction form
313,871.71/433,124.57 = 170,630.50/x - Step 3: Cross multiply
313,871.71x = 433,124.57 × 170,630.50 - Step 4: Simplify right side
313,871.71x = 73,904,261,088.23 - Step 5: Solve for x
x = 73,904,261,088.23/313,871.71 - Step 6: Final answer
x = 235,460.09
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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.