Finding the Fourth Proportional to 351,926.94, 485,847.62 and 275,283.19
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Solution
The fourth proportional to 351,926.94, 485,847.62 and 275,283.19 is: 380,038.20
Step by Step Solution
- Step 1: Write the proportion equation
351,926.94 : 485,847.62 = 275,283.19 : x - Step 2: Convert to fraction form
351,926.94/485,847.62 = 275,283.19/x - Step 3: Cross multiply
351,926.94x = 485,847.62 × 275,283.19 - Step 4: Simplify right side
351,926.94x = 133,745,682,950.71 - Step 5: Solve for x
x = 133,745,682,950.71/351,926.94 - Step 6: Final answer
x = 380,038.20
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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.