Finding the Fourth Proportional to 245,014.24, 338,156.64 and 149,576.48
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Solution
The fourth proportional to 245,014.24, 338,156.64 and 149,576.48 is: 206,438.12
Step by Step Solution
- Step 1: Write the proportion equation
245,014.24 : 338,156.64 = 149,576.48 : x - Step 2: Convert to fraction form
245,014.24/338,156.64 = 149,576.48/x - Step 3: Cross multiply
245,014.24x = 338,156.64 × 149,576.48 - Step 4: Simplify right side
245,014.24x = 50,580,279,899.83 - Step 5: Solve for x
x = 50,580,279,899.83/245,014.24 - Step 6: Final answer
x = 206,438.12
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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.