Finding the Fourth Proportional to 437,625.70, 656,438.55 and 105,201.70
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Solution
The fourth proportional to 437,625.70, 656,438.55 and 105,201.70 is: 157,802.55
Step by Step Solution
- Step 1: Write the proportion equation
437,625.70 : 656,438.55 = 105,201.70 : x - Step 2: Convert to fraction form
437,625.70/656,438.55 = 105,201.70/x - Step 3: Cross multiply
437,625.70x = 656,438.55 × 105,201.70 - Step 4: Simplify right side
437,625.70x = 69,058,451,405.54 - Step 5: Solve for x
x = 69,058,451,405.54/437,625.70 - Step 6: Final answer
x = 157,802.55
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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.