Finding the Fourth Proportional to 301,098.19, 415,515.50 and 166,962.19
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Solution
The fourth proportional to 301,098.19, 415,515.50 and 166,962.19 is: 230,407.82
Step by Step Solution
- Step 1: Write the proportion equation
301,098.19 : 415,515.50 = 166,962.19 : x - Step 2: Convert to fraction form
301,098.19/415,515.50 = 166,962.19/x - Step 3: Cross multiply
301,098.19x = 415,515.50 × 166,962.19 - Step 4: Simplify right side
301,098.19x = 69,375,377,237.56 - Step 5: Solve for x
x = 69,375,377,237.56/301,098.19 - Step 6: Final answer
x = 230,407.82
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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.