Finding the Fourth Proportional to 201,485.87, 278,041.71 and 110,836.08
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Solution
The fourth proportional to 201,485.87, 278,041.71 and 110,836.08 is: 152,948.96
Step by Step Solution
- Step 1: Write the proportion equation
201,485.87 : 278,041.71 = 110,836.08 : x - Step 2: Convert to fraction form
201,485.87/278,041.71 = 110,836.08/x - Step 3: Cross multiply
201,485.87x = 278,041.71 × 110,836.08 - Step 4: Simplify right side
201,485.87x = 30,817,053,212.90 - Step 5: Solve for x
x = 30,817,053,212.90/201,485.87 - Step 6: Final answer
x = 152,948.96
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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.