Finding the Fourth Proportional to 314,225.97, 471,412.79 and 103,863.92
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Solution
The fourth proportional to 314,225.97, 471,412.79 and 103,863.92 is: 155,820.28
Step by Step Solution
- Step 1: Write the proportion equation
314,225.97 : 471,412.79 = 103,863.92 : x - Step 2: Convert to fraction form
314,225.97/471,412.79 = 103,863.92/x - Step 3: Cross multiply
314,225.97x = 471,412.79 × 103,863.92 - Step 4: Simplify right side
314,225.97x = 48,962,777,431.15 - Step 5: Solve for x
x = 48,962,777,431.15/314,225.97 - Step 6: Final answer
x = 155,820.28
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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.