Finding the Fourth Proportional to 354,143.74, 488,704.11 and 192,995.31
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Solution
The fourth proportional to 354,143.74, 488,704.11 and 192,995.31 is: 266,325.76
Step by Step Solution
- Step 1: Write the proportion equation
354,143.74 : 488,704.11 = 192,995.31 : x - Step 2: Convert to fraction form
354,143.74/488,704.11 = 192,995.31/x - Step 3: Cross multiply
354,143.74x = 488,704.11 × 192,995.31 - Step 4: Simplify right side
354,143.74x = 94,317,598,651.35 - Step 5: Solve for x
x = 94,317,598,651.35/354,143.74 - Step 6: Final answer
x = 266,325.76
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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.