Finding the Fourth Proportional to 492,808.05, 739,291.86 and 193,126.14
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Solution
The fourth proportional to 492,808.05, 739,291.86 and 193,126.14 is: 289,720.48
Step by Step Solution
- Step 1: Write the proportion equation
492,808.05 : 739,291.86 = 193,126.14 : x - Step 2: Convert to fraction form
492,808.05/739,291.86 = 193,126.14/x - Step 3: Cross multiply
492,808.05x = 739,291.86 × 193,126.14 - Step 4: Simplify right side
492,808.05x = 142,776,583,255.22 - Step 5: Solve for x
x = 142,776,583,255.22/492,808.05 - Step 6: Final answer
x = 289,720.48
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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.