Finding the Fourth Proportional to 296,477.01, 409,135.41 and 160,507.49
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Solution
The fourth proportional to 296,477.01, 409,135.41 and 160,507.49 is: 221,498.78
Step by Step Solution
- Step 1: Write the proportion equation
296,477.01 : 409,135.41 = 160,507.49 : x - Step 2: Convert to fraction form
296,477.01/409,135.41 = 160,507.49/x - Step 3: Cross multiply
296,477.01x = 409,135.41 × 160,507.49 - Step 4: Simplify right side
296,477.01x = 65,669,295,683.54 - Step 5: Solve for x
x = 65,669,295,683.54/296,477.01 - Step 6: Final answer
x = 221,498.78
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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.