Finding the Fourth Proportional to 156,744.20, 235,116.30 and 51,537.80
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Solution
The fourth proportional to 156,744.20, 235,116.30 and 51,537.80 is: 77,306.70
Step by Step Solution
- Step 1: Write the proportion equation
156,744.20 : 235,116.30 = 51,537.80 : x - Step 2: Convert to fraction form
156,744.20/235,116.30 = 51,537.80/x - Step 3: Cross multiply
156,744.20x = 235,116.30 × 51,537.80 - Step 4: Simplify right side
156,744.20x = 12,117,376,846.14 - Step 5: Solve for x
x = 12,117,376,846.14/156,744.20 - Step 6: Final answer
x = 77,306.70
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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.