Finding the Fourth Proportional to 156,986.80, 235,480.20 and 149,605.68
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Solution
The fourth proportional to 156,986.80, 235,480.20 and 149,605.68 is: 224,408.52
Step by Step Solution
- Step 1: Write the proportion equation
156,986.80 : 235,480.20 = 149,605.68 : x - Step 2: Convert to fraction form
156,986.80/235,480.20 = 149,605.68/x - Step 3: Cross multiply
156,986.80x = 235,480.20 × 149,605.68 - Step 4: Simplify right side
156,986.80x = 35,229,175,447.54 - Step 5: Solve for x
x = 35,229,175,447.54/156,986.80 - Step 6: Final answer
x = 224,408.52
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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.