Finding the Fourth Proportional to 357,470.97, 536,205.99 and 91,231.49
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Solution
The fourth proportional to 357,470.97, 536,205.99 and 91,231.49 is: 136,847.12
Step by Step Solution
- Step 1: Write the proportion equation
357,470.97 : 536,205.99 = 91,231.49 : x - Step 2: Convert to fraction form
357,470.97/536,205.99 = 91,231.49/x - Step 3: Cross multiply
357,470.97x = 536,205.99 × 91,231.49 - Step 4: Simplify right side
357,470.97x = 48,918,871,414.63 - Step 5: Solve for x
x = 48,918,871,414.63/357,470.97 - Step 6: Final answer
x = 136,847.12
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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.