Finding the Fourth Proportional to 202,011.05, 278,773.35 and 110,130.32
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Solution
The fourth proportional to 202,011.05, 278,773.35 and 110,130.32 is: 151,978.80
Step by Step Solution
- Step 1: Write the proportion equation
202,011.05 : 278,773.35 = 110,130.32 : x - Step 2: Convert to fraction form
202,011.05/278,773.35 = 110,130.32/x - Step 3: Cross multiply
202,011.05x = 278,773.35 × 110,130.32 - Step 4: Simplify right side
202,011.05x = 30,701,396,849.11 - Step 5: Solve for x
x = 30,701,396,849.11/202,011.05 - Step 6: Final answer
x = 151,978.80
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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.