Finding the Fourth Proportional to 275,159.18, 412,669.52 and 106,621.68
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Solution
The fourth proportional to 275,159.18, 412,669.52 and 106,621.68 is: 159,905.69
Step by Step Solution
- Step 1: Write the proportion equation
275,159.18 : 412,669.52 = 106,621.68 : x - Step 2: Convert to fraction form
275,159.18/412,669.52 = 106,621.68/x - Step 3: Cross multiply
275,159.18x = 412,669.52 × 106,621.68 - Step 4: Simplify right side
275,159.18x = 43,999,517,507.19 - Step 5: Solve for x
x = 43,999,517,507.19/275,159.18 - Step 6: Final answer
x = 159,905.69
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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.