Finding the Fourth Proportional to 294,661.55, 406,635.76 and 167,338.06
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Solution
The fourth proportional to 294,661.55, 406,635.76 and 167,338.06 is: 230,928.12
Step by Step Solution
- Step 1: Write the proportion equation
294,661.55 : 406,635.76 = 167,338.06 : x - Step 2: Convert to fraction form
294,661.55/406,635.76 = 167,338.06/x - Step 3: Cross multiply
294,661.55x = 406,635.76 × 167,338.06 - Step 4: Simplify right side
294,661.55x = 68,045,638,397.61 - Step 5: Solve for x
x = 68,045,638,397.61/294,661.55 - Step 6: Final answer
x = 230,928.12
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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.