Finding the Fourth Proportional to 338,496.21, 507,731.99 and 136,154.97
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Solution
The fourth proportional to 338,496.21, 507,731.99 and 136,154.97 is: 204,227.50
Step by Step Solution
- Step 1: Write the proportion equation
338,496.21 : 507,731.99 = 136,154.97 : x - Step 2: Convert to fraction form
338,496.21/507,731.99 = 136,154.97/x - Step 3: Cross multiply
338,496.21x = 507,731.99 × 136,154.97 - Step 4: Simplify right side
338,496.21x = 69,130,233,185.72 - Step 5: Solve for x
x = 69,130,233,185.72/338,496.21 - Step 6: Final answer
x = 204,227.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.