Finding the Fourth Proportional to 149,356.74, 205,998.48 and 101,529.48
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Solution
The fourth proportional to 149,356.74, 205,998.48 and 101,529.48 is: 140,033.31
Step by Step Solution
- Step 1: Write the proportion equation
149,356.74 : 205,998.48 = 101,529.48 : x - Step 2: Convert to fraction form
149,356.74/205,998.48 = 101,529.48/x - Step 3: Cross multiply
149,356.74x = 205,998.48 × 101,529.48 - Step 4: Simplify right side
149,356.74x = 20,914,918,555.19 - Step 5: Solve for x
x = 20,914,918,555.19/149,356.74 - Step 6: Final answer
x = 140,033.31
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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.