Finding the Fourth Proportional to 168,628.05, 252,901.58 and 97,396.65
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Solution
The fourth proportional to 168,628.05, 252,901.58 and 97,396.65 is: 146,071.58
Step by Step Solution
- Step 1: Write the proportion equation
168,628.05 : 252,901.58 = 97,396.65 : x - Step 2: Convert to fraction form
168,628.05/252,901.58 = 97,396.65/x - Step 3: Cross multiply
168,628.05x = 252,901.58 × 97,396.65 - Step 4: Simplify right side
168,628.05x = 24,631,766,184.72 - Step 5: Solve for x
x = 24,631,766,184.72/168,628.05 - Step 6: Final answer
x = 146,071.58
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1.5x scale
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.