Finding the Fourth Proportional to 135,446.28, 203,101.14 and 79,303.32
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Solution
The fourth proportional to 135,446.28, 203,101.14 and 79,303.32 is: 118,915.00
Step by Step Solution
- Step 1: Write the proportion equation
135,446.28 : 203,101.14 = 79,303.32 : x - Step 2: Convert to fraction form
135,446.28/203,101.14 = 79,303.32/x - Step 3: Cross multiply
135,446.28x = 203,101.14 × 79,303.32 - Step 4: Simplify right side
135,446.28x = 16,106,594,697.78 - Step 5: Solve for x
x = 16,106,594,697.78/135,446.28 - Step 6: Final answer
x = 118,915.00
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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.