Finding the Fourth Proportional to 291,457.37, 437,201.67 and 91,793.31
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Solution
The fourth proportional to 291,457.37, 437,201.67 and 91,793.31 is: 137,694.88
Step by Step Solution
- Step 1: Write the proportion equation
291,457.37 : 437,201.67 = 91,793.31 : x - Step 2: Convert to fraction form
291,457.37/437,201.67 = 91,793.31/x - Step 3: Cross multiply
291,457.37x = 437,201.67 × 91,793.31 - Step 4: Simplify right side
291,457.37x = 40,132,188,426.83 - Step 5: Solve for x
x = 40,132,188,426.83/291,457.37 - Step 6: Final answer
x = 137,694.88
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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.