Finding the Fourth Proportional to 97,409.80, 146,114.70 and 70,841.80
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Solution
The fourth proportional to 97,409.80, 146,114.70 and 70,841.80 is: 106,262.70
Step by Step Solution
- Step 1: Write the proportion equation
97,409.80 : 146,114.70 = 70,841.80 : x - Step 2: Convert to fraction form
97,409.80/146,114.70 = 70,841.80/x - Step 3: Cross multiply
97,409.80x = 146,114.70 × 70,841.80 - Step 4: Simplify right side
97,409.80x = 10,351,028,354.46 - Step 5: Solve for x
x = 10,351,028,354.46/97,409.80 - Step 6: Final answer
x = 106,262.70
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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.