Finding the Fourth Proportional to 437,939.28, 656,617.08 and 157,420.08
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Solution
The fourth proportional to 437,939.28, 656,617.08 and 157,420.08 is: 236,025.22
Step by Step Solution
- Step 1: Write the proportion equation
437,939.28 : 656,617.08 = 157,420.08 : x - Step 2: Convert to fraction form
437,939.28/656,617.08 = 157,420.08/x - Step 3: Cross multiply
437,939.28x = 656,617.08 × 157,420.08 - Step 4: Simplify right side
437,939.28x = 103,364,713,262.97 - Step 5: Solve for x
x = 103,364,713,262.97/437,939.28 - Step 6: Final answer
x = 236,025.22
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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.