Finding the Fourth Proportional to 339,395.70, 508,884.21 and 114,734.82
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Solution
The fourth proportional to 339,395.70, 508,884.21 and 114,734.82 is: 172,031.46
Step by Step Solution
- Step 1: Write the proportion equation
339,395.70 : 508,884.21 = 114,734.82 : x - Step 2: Convert to fraction form
339,395.70/508,884.21 = 114,734.82/x - Step 3: Cross multiply
339,395.70x = 508,884.21 × 114,734.82 - Step 4: Simplify right side
339,395.70x = 58,386,738,235.19 - Step 5: Solve for x
x = 58,386,738,235.19/339,395.70 - Step 6: Final answer
x = 172,031.46
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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.