Finding the Fourth Proportional to 405,257.08, 559,206.33 and 223,944.36
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Solution
The fourth proportional to 405,257.08, 559,206.33 and 223,944.36 is: 309,016.45
Step by Step Solution
- Step 1: Write the proportion equation
405,257.08 : 559,206.33 = 223,944.36 : x - Step 2: Convert to fraction form
405,257.08/559,206.33 = 223,944.36/x - Step 3: Cross multiply
405,257.08x = 559,206.33 × 223,944.36 - Step 4: Simplify right side
405,257.08x = 125,231,102,789.06 - Step 5: Solve for x
x = 125,231,102,789.06/405,257.08 - Step 6: Final answer
x = 309,016.45
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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.