Finding the Fourth Proportional to 477,112.04, 715,651.65 and 122,129.13
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Solution
The fourth proportional to 477,112.04, 715,651.65 and 122,129.13 is: 183,189.50
Step by Step Solution
- Step 1: Write the proportion equation
477,112.04 : 715,651.65 = 122,129.13 : x - Step 2: Convert to fraction form
477,112.04/715,651.65 = 122,129.13/x - Step 3: Cross multiply
477,112.04x = 715,651.65 × 122,129.13 - Step 4: Simplify right side
477,112.04x = 87,401,913,397.56 - Step 5: Solve for x
x = 87,401,913,397.56/477,112.04 - Step 6: Final answer
x = 183,189.50
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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.