Finding the Fourth Proportional to 339,497.80, 509,246.70 and 192,041.80
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Solution
The fourth proportional to 339,497.80, 509,246.70 and 192,041.80 is: 288,062.70
Step by Step Solution
- Step 1: Write the proportion equation
339,497.80 : 509,246.70 = 192,041.80 : x - Step 2: Convert to fraction form
339,497.80/509,246.70 = 192,041.80/x - Step 3: Cross multiply
339,497.80x = 509,246.70 × 192,041.80 - Step 4: Simplify right side
339,497.80x = 97,796,652,912.06 - Step 5: Solve for x
x = 97,796,652,912.06/339,497.80 - Step 6: Final answer
x = 288,062.70
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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.