Finding the Fourth Proportional to 339,597.64, 509,367.12 and 114,953.28
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Solution
The fourth proportional to 339,597.64, 509,367.12 and 114,953.28 is: 172,419.99
Step by Step Solution
- Step 1: Write the proportion equation
339,597.64 : 509,367.12 = 114,953.28 : x - Step 2: Convert to fraction form
339,597.64/509,367.12 = 114,953.28/x - Step 3: Cross multiply
339,597.64x = 509,367.12 × 114,953.28 - Step 4: Simplify right side
339,597.64x = 58,553,421,168.15 - Step 5: Solve for x
x = 58,553,421,168.15/339,597.64 - Step 6: Final answer
x = 172,419.99
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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.