Finding the Fourth Proportional to 313,871.76, 433,145.84 and 170,632.08
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Solution
The fourth proportional to 313,871.76, 433,145.84 and 170,632.08 is: 235,473.80
Step by Step Solution
- Step 1: Write the proportion equation
313,871.76 : 433,145.84 = 170,632.08 : x - Step 2: Convert to fraction form
313,871.76/433,145.84 = 170,632.08/x - Step 3: Cross multiply
313,871.76x = 433,145.84 × 170,632.08 - Step 4: Simplify right side
313,871.76x = 73,908,575,622.55 - Step 5: Solve for x
x = 73,908,575,622.55/313,871.76 - Step 6: Final answer
x = 235,473.80
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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.