Finding the Fourth Proportional to 259,115.67, 388,880.86 and 134,492.31
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Solution
The fourth proportional to 259,115.67, 388,880.86 and 134,492.31 is: 201,846.09
Step by Step Solution
- Step 1: Write the proportion equation
259,115.67 : 388,880.86 = 134,492.31 : x - Step 2: Convert to fraction form
259,115.67/388,880.86 = 134,492.31/x - Step 3: Cross multiply
259,115.67x = 388,880.86 × 134,492.31 - Step 4: Simplify right side
259,115.67x = 52,301,482,895.55 - Step 5: Solve for x
x = 52,301,482,895.55/259,115.67 - Step 6: Final answer
x = 201,846.09
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1.5x scale
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.