Finding the Fourth Proportional to 152,898.40, 229,201.80 and 119,145.70
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Solution
The fourth proportional to 152,898.40, 229,201.80 and 119,145.70 is: 178,604.94
Step by Step Solution
- Step 1: Write the proportion equation
152,898.40 : 229,201.80 = 119,145.70 : x - Step 2: Convert to fraction form
152,898.40/229,201.80 = 119,145.70/x - Step 3: Cross multiply
152,898.40x = 229,201.80 × 119,145.70 - Step 4: Simplify right side
152,898.40x = 27,308,408,902.26 - Step 5: Solve for x
x = 27,308,408,902.26/152,898.40 - Step 6: Final answer
x = 178,604.94
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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.