Finding the Fourth Proportional to 405,424.17, 559,481.58 and 224,140.64
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Solution
The fourth proportional to 405,424.17, 559,481.58 and 224,140.64 is: 309,311.99
Step by Step Solution
- Step 1: Write the proportion equation
405,424.17 : 559,481.58 = 224,140.64 : x - Step 2: Convert to fraction form
405,424.17/559,481.58 = 224,140.64/x - Step 3: Cross multiply
405,424.17x = 559,481.58 × 224,140.64 - Step 4: Simplify right side
405,424.17x = 125,402,556,612.00 - Step 5: Solve for x
x = 125,402,556,612.00/405,424.17 - Step 6: Final answer
x = 309,311.99
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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.