Finding the Fourth Proportional to 301,201.81, 415,663.97 and 165,242.70
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Solution
The fourth proportional to 301,201.81, 415,663.97 and 165,242.70 is: 228,037.93
Step by Step Solution
- Step 1: Write the proportion equation
301,201.81 : 415,663.97 = 165,242.70 : x - Step 2: Convert to fraction form
301,201.81/415,663.97 = 165,242.70/x - Step 3: Cross multiply
301,201.81x = 415,663.97 × 165,242.70 - Step 4: Simplify right side
301,201.81x = 68,685,435,869.31 - Step 5: Solve for x
x = 68,685,435,869.31/301,201.81 - Step 6: Final answer
x = 228,037.93
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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.