Finding the Fourth Proportional to 132,698.80, 199,048.20 and 39,203.20
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Solution
The fourth proportional to 132,698.80, 199,048.20 and 39,203.20 is: 58,804.80
Step by Step Solution
- Step 1: Write the proportion equation
132,698.80 : 199,048.20 = 39,203.20 : x - Step 2: Convert to fraction form
132,698.80/199,048.20 = 39,203.20/x - Step 3: Cross multiply
132,698.80x = 199,048.20 × 39,203.20 - Step 4: Simplify right side
132,698.80x = 7,803,326,394.24 - Step 5: Solve for x
x = 7,803,326,394.24/132,698.80 - Step 6: Final answer
x = 58,804.80
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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.