Finding the Fourth Proportional to 141,237.24, 211,753.14 and 66,318.78
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Solution
The fourth proportional to 141,237.24, 211,753.14 and 66,318.78 is: 99,429.94
Step by Step Solution
- Step 1: Write the proportion equation
141,237.24 : 211,753.14 = 66,318.78 : x - Step 2: Convert to fraction form
141,237.24/211,753.14 = 66,318.78/x - Step 3: Cross multiply
141,237.24x = 211,753.14 × 66,318.78 - Step 4: Simplify right side
141,237.24x = 14,043,209,905.97 - Step 5: Solve for x
x = 14,043,209,905.97/141,237.24 - Step 6: Final answer
x = 99,429.94
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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.