Finding the Fourth Proportional to 135,575.34, 203,418.75 and 59,634.78
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Solution
The fourth proportional to 135,575.34, 203,418.75 and 59,634.78 is: 89,476.69
Step by Step Solution
- Step 1: Write the proportion equation
135,575.34 : 203,418.75 = 59,634.78 : x - Step 2: Convert to fraction form
135,575.34/203,418.75 = 59,634.78/x - Step 3: Cross multiply
135,575.34x = 203,418.75 × 59,634.78 - Step 4: Simplify right side
135,575.34x = 12,130,832,404.13 - Step 5: Solve for x
x = 12,130,832,404.13/135,575.34 - Step 6: Final answer
x = 89,476.69
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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.