Finding the Fourth Proportional to 305,752.23, 421,923.87 and 169,794.81
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Solution
The fourth proportional to 305,752.23, 421,923.87 and 169,794.81 is: 234,308.95
Step by Step Solution
- Step 1: Write the proportion equation
305,752.23 : 421,923.87 = 169,794.81 : x - Step 2: Convert to fraction form
305,752.23/421,923.87 = 169,794.81/x - Step 3: Cross multiply
305,752.23x = 421,923.87 × 169,794.81 - Step 4: Simplify right side
305,752.23x = 71,640,483,341.11 - Step 5: Solve for x
x = 71,640,483,341.11/305,752.23 - Step 6: Final answer
x = 234,308.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.