Finding the Fourth Proportional to 181,539.70, 272,309.55 and 168,417.70
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Solution
The fourth proportional to 181,539.70, 272,309.55 and 168,417.70 is: 252,626.55
Step by Step Solution
- Step 1: Write the proportion equation
181,539.70 : 272,309.55 = 168,417.70 : x - Step 2: Convert to fraction form
181,539.70/272,309.55 = 168,417.70/x - Step 3: Cross multiply
181,539.70x = 272,309.55 × 168,417.70 - Step 4: Simplify right side
181,539.70x = 45,861,748,099.04 - Step 5: Solve for x
x = 45,861,748,099.04/181,539.70 - Step 6: Final answer
x = 252,626.55
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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.