Finding the Fourth Proportional to 753,159.96, 1,129,739.33 and 192,194.46
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Solution
The fourth proportional to 753,159.96, 1,129,739.33 and 192,194.46 is: 288,291.53
Step by Step Solution
- Step 1: Write the proportion equation
753,159.96 : 1,129,739.33 = 192,194.46 : x - Step 2: Convert to fraction form
753,159.96/1,129,739.33 = 192,194.46/x - Step 3: Cross multiply
753,159.96x = 1,129,739.33 × 192,194.46 - Step 4: Simplify right side
753,159.96x = 217,129,640,950.60 - Step 5: Solve for x
x = 217,129,640,950.60/753,159.96 - Step 6: Final answer
x = 288,291.53
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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.