Finding the Fourth Proportional to 119,292.24, 178,827.12 and 40,351.53
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Solution
The fourth proportional to 119,292.24, 178,827.12 and 40,351.53 is: 60,489.67
Step by Step Solution
- Step 1: Write the proportion equation
119,292.24 : 178,827.12 = 40,351.53 : x - Step 2: Convert to fraction form
119,292.24/178,827.12 = 40,351.53/x - Step 3: Cross multiply
119,292.24x = 178,827.12 × 40,351.53 - Step 4: Simplify right side
119,292.24x = 7,215,947,897.49 - Step 5: Solve for x
x = 7,215,947,897.49/119,292.24 - Step 6: Final answer
x = 60,489.67
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1.5x scale
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.