Finding the Fourth Proportional to 316,765.02, 475,145.97 and 103,678.09
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Solution
The fourth proportional to 316,765.02, 475,145.97 and 103,678.09 is: 155,516.62
Step by Step Solution
- Step 1: Write the proportion equation
316,765.02 : 475,145.97 = 103,678.09 : x - Step 2: Convert to fraction form
316,765.02/475,145.97 = 103,678.09/x - Step 3: Cross multiply
316,765.02x = 475,145.97 × 103,678.09 - Step 4: Simplify right side
316,765.02x = 49,262,226,640.80 - Step 5: Solve for x
x = 49,262,226,640.80/316,765.02 - Step 6: Final answer
x = 155,516.62
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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.