Finding the Fourth Proportional to 135,419.59, 203,148.30 and 56,515.75
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Solution
The fourth proportional to 135,419.59, 203,148.30 and 56,515.75 is: 84,781.52
Step by Step Solution
- Step 1: Write the proportion equation
135,419.59 : 203,148.30 = 56,515.75 : x - Step 2: Convert to fraction form
135,419.59/203,148.30 = 56,515.75/x - Step 3: Cross multiply
135,419.59x = 203,148.30 × 56,515.75 - Step 4: Simplify right side
135,419.59x = 11,481,078,535.73 - Step 5: Solve for x
x = 11,481,078,535.73/135,419.59 - Step 6: Final answer
x = 84,781.52
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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.