Finding the Fourth Proportional to 402,438.51, 555,337.17 and 241,212.87
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Solution
The fourth proportional to 402,438.51, 555,337.17 and 241,212.87 is: 332,856.99
Step by Step Solution
- Step 1: Write the proportion equation
402,438.51 : 555,337.17 = 241,212.87 : x - Step 2: Convert to fraction form
402,438.51/555,337.17 = 241,212.87/x - Step 3: Cross multiply
402,438.51x = 555,337.17 × 241,212.87 - Step 4: Simplify right side
402,438.51x = 133,954,472,593.38 - Step 5: Solve for x
x = 133,954,472,593.38/402,438.51 - Step 6: Final answer
x = 332,856.99
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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.