Finding the Fourth Proportional to 337,385.80, 506,078.70 and 137,639.80
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Solution
The fourth proportional to 337,385.80, 506,078.70 and 137,639.80 is: 206,459.70
Step by Step Solution
- Step 1: Write the proportion equation
337,385.80 : 506,078.70 = 137,639.80 : x - Step 2: Convert to fraction form
337,385.80/506,078.70 = 137,639.80/x - Step 3: Cross multiply
337,385.80x = 506,078.70 × 137,639.80 - Step 4: Simplify right side
337,385.80x = 69,656,571,052.26 - Step 5: Solve for x
x = 69,656,571,052.26/337,385.80 - Step 6: Final answer
x = 206,459.70
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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.