Finding the Fourth Proportional to 318,507.18, 439,558.11 and 182,563.79
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Solution
The fourth proportional to 318,507.18, 439,558.11 and 182,563.79 is: 251,948.46
Step by Step Solution
- Step 1: Write the proportion equation
318,507.18 : 439,558.11 = 182,563.79 : x - Step 2: Convert to fraction form
318,507.18/439,558.11 = 182,563.79/x - Step 3: Cross multiply
318,507.18x = 439,558.11 × 182,563.79 - Step 4: Simplify right side
318,507.18x = 80,247,392,289.05 - Step 5: Solve for x
x = 80,247,392,289.05/318,507.18 - Step 6: Final answer
x = 251,948.46
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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.