Finding the Fourth Proportional to 486,071.80, 729,107.70 and 367,973.80
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Solution
The fourth proportional to 486,071.80, 729,107.70 and 367,973.80 is: 551,960.70
Step by Step Solution
- Step 1: Write the proportion equation
486,071.80 : 729,107.70 = 367,973.80 : x - Step 2: Convert to fraction form
486,071.80/729,107.70 = 367,973.80/x - Step 3: Cross multiply
486,071.80x = 729,107.70 × 367,973.80 - Step 4: Simplify right side
486,071.80x = 268,292,530,978.26 - Step 5: Solve for x
x = 268,292,530,978.26/486,071.80 - Step 6: Final answer
x = 551,960.70
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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.