Finding the Fourth Proportional to 357,470.54, 536,205.38 and 91,231.09
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Solution
The fourth proportional to 357,470.54, 536,205.38 and 91,231.09 is: 136,846.52
Step by Step Solution
- Step 1: Write the proportion equation
357,470.54 : 536,205.38 = 91,231.09 : x - Step 2: Convert to fraction form
357,470.54/536,205.38 = 91,231.09/x - Step 3: Cross multiply
357,470.54x = 536,205.38 × 91,231.09 - Step 4: Simplify right side
357,470.54x = 48,918,598,600.24 - Step 5: Solve for x
x = 48,918,598,600.24/357,470.54 - Step 6: Final answer
x = 136,846.52
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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.