Finding the Fourth Proportional to 156,933.70, 235,054.95 and 136,197.70
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Solution
The fourth proportional to 156,933.70, 235,054.95 and 136,197.70 is: 203,996.61
Step by Step Solution
- Step 1: Write the proportion equation
156,933.70 : 235,054.95 = 136,197.70 : x - Step 2: Convert to fraction form
156,933.70/235,054.95 = 136,197.70/x - Step 3: Cross multiply
156,933.70x = 235,054.95 × 136,197.70 - Step 4: Simplify right side
156,933.70x = 32,013,943,563.62 - Step 5: Solve for x
x = 32,013,943,563.62/156,933.70 - Step 6: Final answer
x = 203,996.61
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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.