Finding the Fourth Proportional to 205,011.38, 307,515.24 and 64,770
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Solution
The fourth proportional to 205,011.38, 307,515.24 and 64,770 is: 97,154.42
Step by Step Solution
- Step 1: Write the proportion equation
205,011.38 : 307,515.24 = 64,770 : x - Step 2: Convert to fraction form
205,011.38/307,515.24 = 64,770/x - Step 3: Cross multiply
205,011.38x = 307,515.24 × 64,770 - Step 4: Simplify right side
205,011.38x = 19,917,762,094.80 - Step 5: Solve for x
x = 19,917,762,094.80/205,011.38 - Step 6: Final answer
x = 97,154.42
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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.