Finding the Fourth Proportional to 135,771.52, 203,416.32 and 56,711.76
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Solution
The fourth proportional to 135,771.52, 203,416.32 and 56,711.76 is: 84,966.99
Step by Step Solution
- Step 1: Write the proportion equation
135,771.52 : 203,416.32 = 56,711.76 : x - Step 2: Convert to fraction form
135,771.52/203,416.32 = 56,711.76/x - Step 3: Cross multiply
135,771.52x = 203,416.32 × 56,711.76 - Step 4: Simplify right side
135,771.52x = 11,536,097,519.92 - Step 5: Solve for x
x = 11,536,097,519.92/135,771.52 - Step 6: Final answer
x = 84,966.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.