Finding the Fourth Proportional to 405,675.87, 608,506.91 and 121,367.08
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Solution
The fourth proportional to 405,675.87, 608,506.91 and 121,367.08 is: 182,048.56
Step by Step Solution
- Step 1: Write the proportion equation
405,675.87 : 608,506.91 = 121,367.08 : x - Step 2: Convert to fraction form
405,675.87/608,506.91 = 121,367.08/x - Step 3: Cross multiply
405,675.87x = 608,506.91 × 121,367.08 - Step 4: Simplify right side
405,675.87x = 73,852,706,826.52 - Step 5: Solve for x
x = 73,852,706,826.52/405,675.87 - Step 6: Final answer
x = 182,048.56
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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.