Finding the Fourth Proportional to 90,201.88, 135,264.72 and 27,030.99
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Solution
The fourth proportional to 90,201.88, 135,264.72 and 27,030.99 is: 40,535.07
Step by Step Solution
- Step 1: Write the proportion equation
90,201.88 : 135,264.72 = 27,030.99 : x - Step 2: Convert to fraction form
90,201.88/135,264.72 = 27,030.99/x - Step 3: Cross multiply
90,201.88x = 135,264.72 × 27,030.99 - Step 4: Simplify right side
90,201.88x = 3,656,339,293.67 - Step 5: Solve for x
x = 3,656,339,293.67/90,201.88 - Step 6: Final answer
x = 40,535.07
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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.