Finding the Fourth Proportional to 110,644.60, 152,698.62 and 62,912.92
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Solution
The fourth proportional to 110,644.60, 152,698.62 and 62,912.92 is: 86,824.99
Step by Step Solution
- Step 1: Write the proportion equation
110,644.60 : 152,698.62 = 62,912.92 : x - Step 2: Convert to fraction form
110,644.60/152,698.62 = 62,912.92/x - Step 3: Cross multiply
110,644.60x = 152,698.62 × 62,912.92 - Step 4: Simplify right side
110,644.60x = 9,606,716,064.17 - Step 5: Solve for x
x = 9,606,716,064.17/110,644.60 - Step 6: Final answer
x = 86,824.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.