Finding the Fourth Proportional to 176,596.24, 243,773.40 and 108,640.75
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Solution
The fourth proportional to 176,596.24, 243,773.40 and 108,640.75 is: 149,967.66
Step by Step Solution
- Step 1: Write the proportion equation
176,596.24 : 243,773.40 = 108,640.75 : x - Step 2: Convert to fraction form
176,596.24/243,773.40 = 108,640.75/x - Step 3: Cross multiply
176,596.24x = 243,773.40 × 108,640.75 - Step 4: Simplify right side
176,596.24x = 26,483,725,006.05 - Step 5: Solve for x
x = 26,483,725,006.05/176,596.24 - Step 6: Final answer
x = 149,967.66
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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.