Finding the Fourth Proportional to 84,206.65, 116,205.10 and 46,480.81
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Solution
The fourth proportional to 84,206.65, 116,205.10 and 46,480.81 is: 64,143.48
Step by Step Solution
- Step 1: Write the proportion equation
84,206.65 : 116,205.10 = 46,480.81 : x - Step 2: Convert to fraction form
84,206.65/116,205.10 = 46,480.81/x - Step 3: Cross multiply
84,206.65x = 116,205.10 × 46,480.81 - Step 4: Simplify right side
84,206.65x = 5,401,307,174.13 - Step 5: Solve for x
x = 5,401,307,174.13/84,206.65 - Step 6: Final answer
x = 64,143.48
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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.