Finding the Fourth Proportional to 313,768.80, 433,003.68 and 170,528.96
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Solution
The fourth proportional to 313,768.80, 433,003.68 and 170,528.96 is: 235,331.45
Step by Step Solution
- Step 1: Write the proportion equation
313,768.80 : 433,003.68 = 170,528.96 : x - Step 2: Convert to fraction form
313,768.80/433,003.68 = 170,528.96/x - Step 3: Cross multiply
313,768.80x = 433,003.68 × 170,528.96 - Step 4: Simplify right side
313,768.80x = 73,839,667,226.57 - Step 5: Solve for x
x = 73,839,667,226.57/313,768.80 - Step 6: Final answer
x = 235,331.45
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1.5x scale
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.