Finding the Fourth Proportional to 187,763.24, 259,113.44 and 102,880.31
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Solution
The fourth proportional to 187,763.24, 259,113.44 and 102,880.31 is: 141,974.91
Step by Step Solution
- Step 1: Write the proportion equation
187,763.24 : 259,113.44 = 102,880.31 : x - Step 2: Convert to fraction form
187,763.24/259,113.44 = 102,880.31/x - Step 3: Cross multiply
187,763.24x = 259,113.44 × 102,880.31 - Step 4: Simplify right side
187,763.24x = 26,657,669,222.40 - Step 5: Solve for x
x = 26,657,669,222.40/187,763.24 - Step 6: Final answer
x = 141,974.91
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1.5x scale
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.