Finding the Fourth Proportional to 541,581.21, 747,405.40 and 299,863.75
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Solution
The fourth proportional to 541,581.21, 747,405.40 and 299,863.75 is: 413,824.89
Step by Step Solution
- Step 1: Write the proportion equation
541,581.21 : 747,405.40 = 299,863.75 : x - Step 2: Convert to fraction form
541,581.21/747,405.40 = 299,863.75/x - Step 3: Cross multiply
541,581.21x = 747,405.40 × 299,863.75 - Step 4: Simplify right side
541,581.21x = 224,119,783,396.08 - Step 5: Solve for x
x = 224,119,783,396.08/541,581.21 - Step 6: Final answer
x = 413,824.89
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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.