Finding the Fourth Proportional to 314,546.04, 434,199.24 and 187,197.12
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Solution
The fourth proportional to 314,546.04, 434,199.24 and 187,197.12 is: 258,406.84
Step by Step Solution
- Step 1: Write the proportion equation
314,546.04 : 434,199.24 = 187,197.12 : x - Step 2: Convert to fraction form
314,546.04/434,199.24 = 187,197.12/x - Step 3: Cross multiply
314,546.04x = 434,199.24 × 187,197.12 - Step 4: Simplify right side
314,546.04x = 81,280,847,234.19 - Step 5: Solve for x
x = 81,280,847,234.19/314,546.04 - Step 6: Final answer
x = 258,406.84
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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.