Finding the Fourth Proportional to 279,410.10, 419,177.68 and 101,917.14
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Solution
The fourth proportional to 279,410.10, 419,177.68 and 101,917.14 is: 152,898.52
Step by Step Solution
- Step 1: Write the proportion equation
279,410.10 : 419,177.68 = 101,917.14 : x - Step 2: Convert to fraction form
279,410.10/419,177.68 = 101,917.14/x - Step 3: Cross multiply
279,410.10x = 419,177.68 × 101,917.14 - Step 4: Simplify right side
279,410.10x = 42,721,390,297.44 - Step 5: Solve for x
x = 42,721,390,297.44/279,410.10 - Step 6: Final answer
x = 152,898.52
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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.