Finding the Fourth Proportional to 405,416.58, 559,471.23 and 224,133.12
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Solution
The fourth proportional to 405,416.58, 559,471.23 and 224,133.12 is: 309,301.69
Step by Step Solution
- Step 1: Write the proportion equation
405,416.58 : 559,471.23 = 224,133.12 : x - Step 2: Convert to fraction form
405,416.58/559,471.23 = 224,133.12/x - Step 3: Cross multiply
405,416.58x = 559,471.23 × 224,133.12 - Step 4: Simplify right side
405,416.58x = 125,396,032,330.14 - Step 5: Solve for x
x = 125,396,032,330.14/405,416.58 - Step 6: Final answer
x = 309,301.69
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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.