Finding the Fourth Proportional to 188,963.24, 260,769.26 and 104,080.31
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Solution
The fourth proportional to 188,963.24, 260,769.26 and 104,080.31 is: 143,630.82
Step by Step Solution
- Step 1: Write the proportion equation
188,963.24 : 260,769.26 = 104,080.31 : x - Step 2: Convert to fraction form
188,963.24/260,769.26 = 104,080.31/x - Step 3: Cross multiply
188,963.24x = 260,769.26 × 104,080.31 - Step 4: Simplify right side
188,963.24x = 27,140,943,595.02 - Step 5: Solve for x
x = 27,140,943,595.02/188,963.24 - Step 6: Final answer
x = 143,630.82
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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.