Finding the Fourth Proportional to 97,489.80, 146,234.70 and 97,489.80
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Solution
The fourth proportional to 97,489.80, 146,234.70 and 97,489.80 is: 146,234.70
Step by Step Solution
- Step 1: Write the proportion equation
97,489.80 : 146,234.70 = 97,489.80 : x - Step 2: Convert to fraction form
97,489.80/146,234.70 = 97,489.80/x - Step 3: Cross multiply
97,489.80x = 146,234.70 × 97,489.80 - Step 4: Simplify right side
97,489.80x = 14,256,391,656.06 - Step 5: Solve for x
x = 14,256,391,656.06/97,489.80 - Step 6: Final answer
x = 146,234.70
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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.