Finding the Fourth Proportional to 204,905.70, 307,358.55 and 169,913.70
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Solution
The fourth proportional to 204,905.70, 307,358.55 and 169,913.70 is: 254,870.55
Step by Step Solution
- Step 1: Write the proportion equation
204,905.70 : 307,358.55 = 169,913.70 : x - Step 2: Convert to fraction form
204,905.70/307,358.55 = 169,913.70/x - Step 3: Cross multiply
204,905.70x = 307,358.55 × 169,913.70 - Step 4: Simplify right side
204,905.70x = 52,224,428,457.14 - Step 5: Solve for x
x = 52,224,428,457.14/204,905.70 - Step 6: Final answer
x = 254,870.55
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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.