Finding the Fourth Proportional to 224,109.51, 309,271.17 and 122,134.99
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Solution
The fourth proportional to 224,109.51, 309,271.17 and 122,134.99 is: 168,546.31
Step by Step Solution
- Step 1: Write the proportion equation
224,109.51 : 309,271.17 = 122,134.99 : x - Step 2: Convert to fraction form
224,109.51/309,271.17 = 122,134.99/x - Step 3: Cross multiply
224,109.51x = 309,271.17 × 122,134.99 - Step 4: Simplify right side
224,109.51x = 37,772,831,255.24 - Step 5: Solve for x
x = 37,772,831,255.24/224,109.51 - Step 6: Final answer
x = 168,546.31
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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.