Finding the Fourth Proportional to 352,713.71, 486,884.50 and 245,346.05
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Solution
The fourth proportional to 352,713.71, 486,884.50 and 245,346.05 is: 338,674.64
Step by Step Solution
- Step 1: Write the proportion equation
352,713.71 : 486,884.50 = 245,346.05 : x - Step 2: Convert to fraction form
352,713.71/486,884.50 = 245,346.05/x - Step 3: Cross multiply
352,713.71x = 486,884.50 × 245,346.05 - Step 4: Simplify right side
352,713.71x = 119,455,188,881.23 - Step 5: Solve for x
x = 119,455,188,881.23/352,713.71 - Step 6: Final answer
x = 338,674.64
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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.