Finding the Fourth Proportional to 324,423.24, 447,457.41 and 279,176.64
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Solution
The fourth proportional to 324,423.24, 447,457.41 and 279,176.64 is: 385,051.50
Step by Step Solution
- Step 1: Write the proportion equation
324,423.24 : 447,457.41 = 279,176.64 : x - Step 2: Convert to fraction form
324,423.24/447,457.41 = 279,176.64/x - Step 3: Cross multiply
324,423.24x = 447,457.41 × 279,176.64 - Step 4: Simplify right side
324,423.24x = 124,919,656,266.90 - Step 5: Solve for x
x = 124,919,656,266.90/324,423.24 - Step 6: Final answer
x = 385,051.50
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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.