Finding the Fourth Proportional to 156,977.80, 235,466.70 and 149,596.68
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Solution
The fourth proportional to 156,977.80, 235,466.70 and 149,596.68 is: 224,395.02
Step by Step Solution
- Step 1: Write the proportion equation
156,977.80 : 235,466.70 = 149,596.68 : x - Step 2: Convert to fraction form
156,977.80/235,466.70 = 149,596.68/x - Step 3: Cross multiply
156,977.80x = 235,466.70 × 149,596.68 - Step 4: Simplify right side
156,977.80x = 35,225,036,570.56 - Step 5: Solve for x
x = 35,225,036,570.56/156,977.80 - Step 6: Final answer
x = 224,395.02
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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.