Finding the Fourth Proportional to 351,670.70, 485,307.90 and 190,525.75
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Solution
The fourth proportional to 351,670.70, 485,307.90 and 190,525.75 is: 262,926.80
Step by Step Solution
- Step 1: Write the proportion equation
351,670.70 : 485,307.90 = 190,525.75 : x - Step 2: Convert to fraction form
351,670.70/485,307.90 = 190,525.75/x - Step 3: Cross multiply
351,670.70x = 485,307.90 × 190,525.75 - Step 4: Simplify right side
351,670.70x = 92,463,651,628.43 - Step 5: Solve for x
x = 92,463,651,628.43/351,670.70 - Step 6: Final answer
x = 262,926.80
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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.