Finding the Fourth Proportional to 73,398.14, 110,097.21 and 20,808.08
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Solution
The fourth proportional to 73,398.14, 110,097.21 and 20,808.08 is: 31,212.12
Step by Step Solution
- Step 1: Write the proportion equation
73,398.14 : 110,097.21 = 20,808.08 : x - Step 2: Convert to fraction form
73,398.14/110,097.21 = 20,808.08/x - Step 3: Cross multiply
73,398.14x = 110,097.21 × 20,808.08 - Step 4: Simplify right side
73,398.14x = 2,290,911,553.46 - Step 5: Solve for x
x = 2,290,911,553.46/73,398.14 - Step 6: Final answer
x = 31,212.12
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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.