Finding the Fourth Proportional to 339,598.14, 509,367.84 and 114,953.76
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Solution
The fourth proportional to 339,598.14, 509,367.84 and 114,953.76 is: 172,420.70
Step by Step Solution
- Step 1: Write the proportion equation
339,598.14 : 509,367.84 = 114,953.76 : x - Step 2: Convert to fraction form
339,598.14/509,367.84 = 114,953.76/x - Step 3: Cross multiply
339,598.14x = 509,367.84 × 114,953.76 - Step 4: Simplify right side
339,598.14x = 58,553,748,431.08 - Step 5: Solve for x
x = 58,553,748,431.08/339,598.14 - Step 6: Final answer
x = 172,420.70
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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.