Finding the Fourth Proportional to 141,704.24, 212,555.95 and 51,753.74
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Solution
The fourth proportional to 141,704.24, 212,555.95 and 51,753.74 is: 77,630.45
Step by Step Solution
- Step 1: Write the proportion equation
141,704.24 : 212,555.95 = 51,753.74 : x - Step 2: Convert to fraction form
141,704.24/212,555.95 = 51,753.74/x - Step 3: Cross multiply
141,704.24x = 212,555.95 × 51,753.74 - Step 4: Simplify right side
141,704.24x = 11,000,564,179.59 - Step 5: Solve for x
x = 11,000,564,179.59/141,704.24 - Step 6: Final answer
x = 77,630.45
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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.