Finding the Fourth Proportional to 211,588.68, 317,271.34 and 111,802.44
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Solution
The fourth proportional to 211,588.68, 317,271.34 and 111,802.44 is: 167,644.65
Step by Step Solution
- Step 1: Write the proportion equation
211,588.68 : 317,271.34 = 111,802.44 : x - Step 2: Convert to fraction form
211,588.68/317,271.34 = 111,802.44/x - Step 3: Cross multiply
211,588.68x = 317,271.34 × 111,802.44 - Step 4: Simplify right side
211,588.68x = 35,471,709,954.07 - Step 5: Solve for x
x = 35,471,709,954.07/211,588.68 - Step 6: Final answer
x = 167,644.65
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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.