Finding the Fourth Proportional to 756,933.80, 1,135,207.14 and 224,330.60
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Solution
The fourth proportional to 756,933.80, 1,135,207.14 and 224,330.60 is: 336,438.54
Step by Step Solution
- Step 1: Write the proportion equation
756,933.80 : 1,135,207.14 = 224,330.60 : x - Step 2: Convert to fraction form
756,933.80/1,135,207.14 = 224,330.60/x - Step 3: Cross multiply
756,933.80x = 1,135,207.14 × 224,330.60 - Step 4: Simplify right side
756,933.80x = 254,661,698,840.48 - Step 5: Solve for x
x = 254,661,698,840.48/756,933.80 - Step 6: Final answer
x = 336,438.54
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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.