Finding the Fourth Proportional to 294,243.12, 406,063.40 and 166,937.84
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Solution
The fourth proportional to 294,243.12, 406,063.40 and 166,937.84 is: 230,378.70
Step by Step Solution
- Step 1: Write the proportion equation
294,243.12 : 406,063.40 = 166,937.84 : x - Step 2: Convert to fraction form
294,243.12/406,063.40 = 166,937.84/x - Step 3: Cross multiply
294,243.12x = 406,063.40 × 166,937.84 - Step 4: Simplify right side
294,243.12x = 67,787,346,899.06 - Step 5: Solve for x
x = 67,787,346,899.06/294,243.12 - Step 6: Final answer
x = 230,378.70
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1.5x scale
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.