Finding the Fourth Proportional to 156,035.20, 234,052.80 and 146,193.70
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Solution
The fourth proportional to 156,035.20, 234,052.80 and 146,193.70 is: 219,290.55
Step by Step Solution
- Step 1: Write the proportion equation
156,035.20 : 234,052.80 = 146,193.70 : x - Step 2: Convert to fraction form
156,035.20/234,052.80 = 146,193.70/x - Step 3: Cross multiply
156,035.20x = 234,052.80 × 146,193.70 - Step 4: Simplify right side
156,035.20x = 34,217,044,827.36 - Step 5: Solve for x
x = 34,217,044,827.36/156,035.20 - Step 6: Final answer
x = 219,290.55
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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.