Finding the Fourth Proportional to 149,544.23, 206,363.75 and 89,113.53
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Solution
The fourth proportional to 149,544.23, 206,363.75 and 89,113.53 is: 122,972.33
Step by Step Solution
- Step 1: Write the proportion equation
149,544.23 : 206,363.75 = 89,113.53 : x - Step 2: Convert to fraction form
149,544.23/206,363.75 = 89,113.53/x - Step 3: Cross multiply
149,544.23x = 206,363.75 × 89,113.53 - Step 4: Simplify right side
149,544.23x = 18,389,801,417.50 - Step 5: Solve for x
x = 18,389,801,417.50/149,544.23 - Step 6: Final answer
x = 122,972.33
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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.