Finding the Fourth Proportional to 316,806.26, 475,169.74 and 103,556.32
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Solution
The fourth proportional to 316,806.26, 475,169.74 and 103,556.32 is: 155,321.52
Step by Step Solution
- Step 1: Write the proportion equation
316,806.26 : 475,169.74 = 103,556.32 : x - Step 2: Convert to fraction form
316,806.26/475,169.74 = 103,556.32/x - Step 3: Cross multiply
316,806.26x = 475,169.74 × 103,556.32 - Step 4: Simplify right side
316,806.26x = 49,206,828,202.94 - Step 5: Solve for x
x = 49,206,828,202.94/316,806.26 - Step 6: Final answer
x = 155,321.52
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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.