Finding the Fourth Proportional to 201,901.80, 302,852.70 and 68,737.80
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Solution
The fourth proportional to 201,901.80, 302,852.70 and 68,737.80 is: 103,106.70
Step by Step Solution
- Step 1: Write the proportion equation
201,901.80 : 302,852.70 = 68,737.80 : x - Step 2: Convert to fraction form
201,901.80/302,852.70 = 68,737.80/x - Step 3: Cross multiply
201,901.80x = 302,852.70 × 68,737.80 - Step 4: Simplify right side
201,901.80x = 20,817,428,322.06 - Step 5: Solve for x
x = 20,817,428,322.06/201,901.80 - Step 6: Final answer
x = 103,106.70
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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.