Finding the Fourth Proportional to 339,107.84, 508,739.16 and 147,014.48
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Solution
The fourth proportional to 339,107.84, 508,739.16 and 147,014.48 is: 220,555.28
Step by Step Solution
- Step 1: Write the proportion equation
339,107.84 : 508,739.16 = 147,014.48 : x - Step 2: Convert to fraction form
339,107.84/508,739.16 = 147,014.48/x - Step 3: Cross multiply
339,107.84x = 508,739.16 × 147,014.48 - Step 4: Simplify right side
339,107.84x = 74,792,023,063.04 - Step 5: Solve for x
x = 74,792,023,063.04/339,107.84 - Step 6: Final answer
x = 220,555.28
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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.