Finding the Fourth Proportional to 97,847.18, 146,770.80 and 51,089.12
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Solution
The fourth proportional to 97,847.18, 146,770.80 and 51,089.12 is: 76,633.70
Step by Step Solution
- Step 1: Write the proportion equation
97,847.18 : 146,770.80 = 51,089.12 : x - Step 2: Convert to fraction form
97,847.18/146,770.80 = 51,089.12/x - Step 3: Cross multiply
97,847.18x = 146,770.80 × 51,089.12 - Step 4: Simplify right side
97,847.18x = 7,498,391,013.70 - Step 5: Solve for x
x = 7,498,391,013.70/97,847.18 - Step 6: Final answer
x = 76,633.70
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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.