Finding the Fourth Proportional to 230,657.80, 345,794.70 and 97,640.20
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Solution
The fourth proportional to 230,657.80, 345,794.70 and 97,640.20 is: 146,379.02
Step by Step Solution
- Step 1: Write the proportion equation
230,657.80 : 345,794.70 = 97,640.20 : x - Step 2: Convert to fraction form
230,657.80/345,794.70 = 97,640.20/x - Step 3: Cross multiply
230,657.80x = 345,794.70 × 97,640.20 - Step 4: Simplify right side
230,657.80x = 33,763,463,666.94 - Step 5: Solve for x
x = 33,763,463,666.94/230,657.80 - Step 6: Final answer
x = 146,379.02
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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.