Finding the Fourth Proportional to 339,859.08, 509,850.18 and 140,068.26
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Solution
The fourth proportional to 339,859.08, 509,850.18 and 140,068.26 is: 210,127.76
Step by Step Solution
- Step 1: Write the proportion equation
339,859.08 : 509,850.18 = 140,068.26 : x - Step 2: Convert to fraction form
339,859.08/509,850.18 = 140,068.26/x - Step 3: Cross multiply
339,859.08x = 509,850.18 × 140,068.26 - Step 4: Simplify right side
339,859.08x = 71,413,827,573.29 - Step 5: Solve for x
x = 71,413,827,573.29/339,859.08 - Step 6: Final answer
x = 210,127.76
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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.