Finding the Fourth Proportional to 146,278.74, 219,395.70 and 46,425.99
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Solution
The fourth proportional to 146,278.74, 219,395.70 and 46,425.99 is: 69,631.87
Step by Step Solution
- Step 1: Write the proportion equation
146,278.74 : 219,395.70 = 46,425.99 : x - Step 2: Convert to fraction form
146,278.74/219,395.70 = 46,425.99/x - Step 3: Cross multiply
146,278.74x = 219,395.70 × 46,425.99 - Step 4: Simplify right side
146,278.74x = 10,185,662,574.24 - Step 5: Solve for x
x = 10,185,662,574.24/146,278.74 - Step 6: Final answer
x = 69,631.87
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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.