Finding the Fourth Proportional to 245,722.04, 339,107.33 and 138,299.03
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Solution
The fourth proportional to 245,722.04, 339,107.33 and 138,299.03 is: 190,858.80
Step by Step Solution
- Step 1: Write the proportion equation
245,722.04 : 339,107.33 = 138,299.03 : x - Step 2: Convert to fraction form
245,722.04/339,107.33 = 138,299.03/x - Step 3: Cross multiply
245,722.04x = 339,107.33 × 138,299.03 - Step 4: Simplify right side
245,722.04x = 46,898,212,417.86 - Step 5: Solve for x
x = 46,898,212,417.86/245,722.04 - Step 6: Final answer
x = 190,858.80
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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.