Finding the Fourth Proportional to 351,546.28, 485,132.70 and 190,400.92
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Solution
The fourth proportional to 351,546.28, 485,132.70 and 190,400.92 is: 262,752.64
Step by Step Solution
- Step 1: Write the proportion equation
351,546.28 : 485,132.70 = 190,400.92 : x - Step 2: Convert to fraction form
351,546.28/485,132.70 = 190,400.92/x - Step 3: Cross multiply
351,546.28x = 485,132.70 × 190,400.92 - Step 4: Simplify right side
351,546.28x = 92,369,712,402.08 - Step 5: Solve for x
x = 92,369,712,402.08/351,546.28 - Step 6: Final answer
x = 262,752.64
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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.