Finding the Fourth Proportional to 224,615.87, 309,982.47 and 122,650.82
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Solution
The fourth proportional to 224,615.87, 309,982.47 and 122,650.82 is: 169,264.99
Step by Step Solution
- Step 1: Write the proportion equation
224,615.87 : 309,982.47 = 122,650.82 : x - Step 2: Convert to fraction form
224,615.87/309,982.47 = 122,650.82/x - Step 3: Cross multiply
224,615.87x = 309,982.47 × 122,650.82 - Step 4: Simplify right side
224,615.87x = 38,019,603,283.71 - Step 5: Solve for x
x = 38,019,603,283.71/224,615.87 - Step 6: Final answer
x = 169,264.99
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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.