Finding the Fourth Proportional to 756,990.23, 1,135,489.59 and 224,515.26
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Solution
The fourth proportional to 756,990.23, 1,135,489.59 and 224,515.26 is: 336,774.15
Step by Step Solution
- Step 1: Write the proportion equation
756,990.23 : 1,135,489.59 = 224,515.26 : x - Step 2: Convert to fraction form
756,990.23/1,135,489.59 = 224,515.26/x - Step 3: Cross multiply
756,990.23x = 1,135,489.59 × 224,515.26 - Step 4: Simplify right side
756,990.23x = 254,934,740,526.14 - Step 5: Solve for x
x = 254,934,740,526.14/756,990.23 - Step 6: Final answer
x = 336,774.15
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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.