Finding the Fourth Proportional to 536,220.09, 739,674.87 and 321,235.65
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Solution
The fourth proportional to 536,220.09, 739,674.87 and 321,235.65 is: 443,120.17
Step by Step Solution
- Step 1: Write the proportion equation
536,220.09 : 739,674.87 = 321,235.65 : x - Step 2: Convert to fraction form
536,220.09/739,674.87 = 321,235.65/x - Step 3: Cross multiply
536,220.09x = 739,674.87 × 321,235.65 - Step 4: Simplify right side
536,220.09x = 237,609,937,653.12 - Step 5: Solve for x
x = 237,609,937,653.12/536,220.09 - Step 6: Final answer
x = 443,120.17
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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.