Finding the Fourth Proportional to 316,072.06, 435,806.75 and 255,455.26
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Solution
The fourth proportional to 316,072.06, 435,806.75 and 255,455.26 is: 352,227.04
Step by Step Solution
- Step 1: Write the proportion equation
316,072.06 : 435,806.75 = 255,455.26 : x - Step 2: Convert to fraction form
316,072.06/435,806.75 = 255,455.26/x - Step 3: Cross multiply
316,072.06x = 435,806.75 × 255,455.26 - Step 4: Simplify right side
316,072.06x = 111,329,126,180.13 - Step 5: Solve for x
x = 111,329,126,180.13/316,072.06 - Step 6: Final answer
x = 352,227.04
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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.