Finding the Fourth Proportional to 357,884.81, 536,786.64 and 91,647.26
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Solution
The fourth proportional to 357,884.81, 536,786.64 and 91,647.26 is: 137,460.49
Step by Step Solution
- Step 1: Write the proportion equation
357,884.81 : 536,786.64 = 91,647.26 : x - Step 2: Convert to fraction form
357,884.81/536,786.64 = 91,647.26/x - Step 3: Cross multiply
357,884.81x = 536,786.64 × 91,647.26 - Step 4: Simplify right side
357,884.81x = 49,195,022,076.67 - Step 5: Solve for x
x = 49,195,022,076.67/357,884.81 - Step 6: Final answer
x = 137,460.49
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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.