Finding the Fourth Proportional to 405,037.63, 558,951.93 and 226,189.63
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Solution
The fourth proportional to 405,037.63, 558,951.93 and 226,189.63 is: 312,141.68
Step by Step Solution
- Step 1: Write the proportion equation
405,037.63 : 558,951.93 = 226,189.63 : x - Step 2: Convert to fraction form
405,037.63/558,951.93 = 226,189.63/x - Step 3: Cross multiply
405,037.63x = 558,951.93 × 226,189.63 - Step 4: Simplify right side
405,037.63x = 126,429,126,308.78 - Step 5: Solve for x
x = 126,429,126,308.78/405,037.63 - Step 6: Final answer
x = 312,141.68
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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.