Finding the Fourth Proportional to 125,386.26, 188,090.67 and 35,430.08
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Solution
The fourth proportional to 125,386.26, 188,090.67 and 35,430.08 is: 53,148.31
Step by Step Solution
- Step 1: Write the proportion equation
125,386.26 : 188,090.67 = 35,430.08 : x - Step 2: Convert to fraction form
125,386.26/188,090.67 = 35,430.08/x - Step 3: Cross multiply
125,386.26x = 188,090.67 × 35,430.08 - Step 4: Simplify right side
125,386.26x = 6,664,067,485.35 - Step 5: Solve for x
x = 6,664,067,485.35/125,386.26 - Step 6: Final answer
x = 53,148.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.