Finding the Fourth Proportional to 339,548.76, 509,184.42 and 147,435.48
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Solution
The fourth proportional to 339,548.76, 509,184.42 and 147,435.48 is: 221,092.99
Step by Step Solution
- Step 1: Write the proportion equation
339,548.76 : 509,184.42 = 147,435.48 : x - Step 2: Convert to fraction form
339,548.76/509,184.42 = 147,435.48/x - Step 3: Cross multiply
339,548.76x = 509,184.42 × 147,435.48 - Step 4: Simplify right side
339,548.76x = 75,071,849,371.22 - Step 5: Solve for x
x = 75,071,849,371.22/339,548.76 - Step 6: Final answer
x = 221,092.99
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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.