Finding the Fourth Proportional to 205,626.48, 308,445.80 and 55,865.99
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Solution
The fourth proportional to 205,626.48, 308,445.80 and 55,865.99 is: 83,800.63
Step by Step Solution
- Step 1: Write the proportion equation
205,626.48 : 308,445.80 = 55,865.99 : x - Step 2: Convert to fraction form
205,626.48/308,445.80 = 55,865.99/x - Step 3: Cross multiply
205,626.48x = 308,445.80 × 55,865.99 - Step 4: Simplify right side
205,626.48x = 17,231,628,156.78 - Step 5: Solve for x
x = 17,231,628,156.78/205,626.48 - Step 6: Final answer
x = 83,800.63
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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.