Finding the Fourth Proportional to 405,612.93, 559,742.26 and 224,320.96
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Solution
The fourth proportional to 405,612.93, 559,742.26 and 224,320.96 is: 309,560.94
Step by Step Solution
- Step 1: Write the proportion equation
405,612.93 : 559,742.26 = 224,320.96 : x - Step 2: Convert to fraction form
405,612.93/559,742.26 = 224,320.96/x - Step 3: Cross multiply
405,612.93x = 559,742.26 × 224,320.96 - Step 4: Simplify right side
405,612.93x = 125,561,921,044.34 - Step 5: Solve for x
x = 125,561,921,044.34/405,612.93 - Step 6: Final answer
x = 309,560.94
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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.