Finding the Fourth Proportional to 324,423.36, 444,452.58 and 312,294.06
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Solution
The fourth proportional to 324,423.36, 444,452.58 and 312,294.06 is: 427,835.72
Step by Step Solution
- Step 1: Write the proportion equation
324,423.36 : 444,452.58 = 312,294.06 : x - Step 2: Convert to fraction form
324,423.36/444,452.58 = 312,294.06/x - Step 3: Cross multiply
324,423.36x = 444,452.58 × 312,294.06 - Step 4: Simplify right side
324,423.36x = 138,799,900,685.68 - Step 5: Solve for x
x = 138,799,900,685.68/324,423.36 - Step 6: Final answer
x = 427,835.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.