Finding the Fourth Proportional to 316,736.64, 475,174.08 and 106,369.02
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Solution
The fourth proportional to 316,736.64, 475,174.08 and 106,369.02 is: 159,576.74
Step by Step Solution
- Step 1: Write the proportion equation
316,736.64 : 475,174.08 = 106,369.02 : x - Step 2: Convert to fraction form
316,736.64/475,174.08 = 106,369.02/x - Step 3: Cross multiply
316,736.64x = 475,174.08 × 106,369.02 - Step 4: Simplify right side
316,736.64x = 50,543,801,219.00 - Step 5: Solve for x
x = 50,543,801,219.00/316,736.64 - Step 6: Final answer
x = 159,576.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.