Finding the Fourth Proportional to 324,158.68, 447,140.10 and 215,267.68
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Solution
The fourth proportional to 324,158.68, 447,140.10 and 215,267.68 is: 296,937.33
Step by Step Solution
- Step 1: Write the proportion equation
324,158.68 : 447,140.10 = 215,267.68 : x - Step 2: Convert to fraction form
324,158.68/447,140.10 = 215,267.68/x - Step 3: Cross multiply
324,158.68x = 447,140.10 × 215,267.68 - Step 4: Simplify right side
324,158.68x = 96,254,811,961.97 - Step 5: Solve for x
x = 96,254,811,961.97/324,158.68 - Step 6: Final answer
x = 296,937.33
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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.