Finding the Fourth Proportional to 472,912.35, 709,237.23 and 131,277.28
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Solution
The fourth proportional to 472,912.35, 709,237.23 and 131,277.28 is: 196,879.47
Step by Step Solution
- Step 1: Write the proportion equation
472,912.35 : 709,237.23 = 131,277.28 : x - Step 2: Convert to fraction form
472,912.35/709,237.23 = 131,277.28/x - Step 3: Cross multiply
472,912.35x = 709,237.23 × 131,277.28 - Step 4: Simplify right side
472,912.35x = 93,106,734,429.13 - Step 5: Solve for x
x = 93,106,734,429.13/472,912.35 - Step 6: Final answer
x = 196,879.47
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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.