Finding the Fourth Proportional to 500,351.34, 750,299.79 and 215,907.09
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Solution
The fourth proportional to 500,351.34, 750,299.79 and 215,907.09 is: 323,762.59
Step by Step Solution
- Step 1: Write the proportion equation
500,351.34 : 750,299.79 = 215,907.09 : x - Step 2: Convert to fraction form
500,351.34/750,299.79 = 215,907.09/x - Step 3: Cross multiply
500,351.34x = 750,299.79 × 215,907.09 - Step 4: Simplify right side
500,351.34x = 161,995,044,286.51 - Step 5: Solve for x
x = 161,995,044,286.51/500,351.34 - Step 6: Final answer
x = 323,762.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.