Finding the Fourth Proportional to 437,562.10, 656,343.15 and 157,107.70
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Solution
The fourth proportional to 437,562.10, 656,343.15 and 157,107.70 is: 235,661.55
Step by Step Solution
- Step 1: Write the proportion equation
437,562.10 : 656,343.15 = 157,107.70 : x - Step 2: Convert to fraction form
437,562.10/656,343.15 = 157,107.70/x - Step 3: Cross multiply
437,562.10x = 656,343.15 × 157,107.70 - Step 4: Simplify right side
437,562.10x = 103,116,562,707.26 - Step 5: Solve for x
x = 103,116,562,707.26/437,562.10 - Step 6: Final answer
x = 235,661.55
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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.