Finding the Fourth Proportional to 205,202.70, 307,802.70 and 55,457.94
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Solution
The fourth proportional to 205,202.70, 307,802.70 and 55,457.94 is: 83,186.55
Step by Step Solution
- Step 1: Write the proportion equation
205,202.70 : 307,802.70 = 55,457.94 : x - Step 2: Convert to fraction form
205,202.70/307,802.70 = 55,457.94/x - Step 3: Cross multiply
205,202.70x = 307,802.70 × 55,457.94 - Step 4: Simplify right side
205,202.70x = 17,070,103,668.44 - Step 5: Solve for x
x = 17,070,103,668.44/205,202.70 - Step 6: Final answer
x = 83,186.55
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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.