Finding the Fourth Proportional to 358,609.24, 537,758.34 and 121,888.36
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Solution
The fourth proportional to 358,609.24, 537,758.34 and 121,888.36 is: 182,779.68
Step by Step Solution
- Step 1: Write the proportion equation
358,609.24 : 537,758.34 = 121,888.36 : x - Step 2: Convert to fraction form
358,609.24/537,758.34 = 121,888.36/x - Step 3: Cross multiply
358,609.24x = 537,758.34 × 121,888.36 - Step 4: Simplify right side
358,609.24x = 65,546,482,138.92 - Step 5: Solve for x
x = 65,546,482,138.92/358,609.24 - Step 6: Final answer
x = 182,779.68
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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.