Finding the Fourth Proportional to 405,507.14, 559,575.82 and 224,204.84
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Solution
The fourth proportional to 405,507.14, 559,575.82 and 224,204.84 is: 309,389.39
Step by Step Solution
- Step 1: Write the proportion equation
405,507.14 : 559,575.82 = 224,204.84 : x - Step 2: Convert to fraction form
405,507.14/559,575.82 = 224,204.84/x - Step 3: Cross multiply
405,507.14x = 559,575.82 × 224,204.84 - Step 4: Simplify right side
405,507.14x = 125,459,608,029.40 - Step 5: Solve for x
x = 125,459,608,029.40/405,507.14 - Step 6: Final answer
x = 309,389.39
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1.5x scale
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.